Everyone has heard of ChatGPT. But if you ask the average SMB owner how they use it in their business, you usually get: "Oh, I sometimes ask it stuff." That's roughly like buying a CNC machine and using it to whittle stool legs.
In this article, we show 15 specific, tested use cases. Not theory — exact descriptions of which task, which prompt, and how much time you save. All tested in an SMB environment. If you want to first assess when it's actually worth deploying AI in your company, we covered that in detail in our article.
For most examples shown here, ChatGPT Plus (~HUF 8,000/month) is sufficient. If you want to use it at a team level, the Team version (~HUF 10,000/person) is recommended because your business data won't be used for AI training. Enterprise is relevant for 50+ person companies. If you're not sure which one you need, read our AI implementation guide.
Sales: 3 Use Cases That Immediately Generate Revenue#
1. Personalized Proposal Writing#
The problem: You write every proposal by hand, or modify a template. Both are slow, and the result is often generic. The client doesn't feel it was tailored to them.
The ChatGPT solution: Provide the client's needs, company name, industry, and ask ChatGPT to create a personalized proposal.
Prompt example:
"Create a proposal based on the following data. Client: XY Kft., a 30-person logistics company. Need: warehouse process digitalization. Our offer: custom software development, 3-month project, HUF 2.5M. Tone: professional but direct. The proposal should include: problem description from the client's perspective, proposed solution, timeline, pricing, why we're the best choice."
Time saved: A personalized proposal used to take 45-60 minutes. With ChatGPT, it takes 10-15 minutes (generation + review + fine-tuning).
2. Follow-Up Email Generation#
The problem: You send the proposal, then forget to follow up. Or you do follow up, but always send the same template. The client notices.
The ChatGPT solution: Ask it to write varied, personalized follow-up emails based on previous communication.
Prompt example:
"Write a follow-up email for this situation: I sent a proposal to XY Kft. 5 days ago for warehouse software development. The proposal was HUF 2.5M. The contact is Peter Szabo, logistics director. In our previous call, he mentioned their current system is Excel-based and they spend 4-5 hours weekly on manual data entry. Tone: friendly, not pushy. Goal: ask if they have any questions and offer a short demo."
Time saved: 5-10 minutes per email down to 2 minutes.
3. Competitor Analysis#
The problem: You don't know what competitors offer, at what price, or how they position themselves. Gathering this manually takes hours.
The ChatGPT solution: Ask it to analyze competitors' websites, services, and pricing, and compare them with yours.
Prompt example:
"Analyze the following three competitors' websites and services: [URL1], [URL2], [URL3]. Compare their pricing, service packages, and USPs with ours. Our services: [brief description]. Create a comparison table and suggest where we can differentiate."
Time saved: 3-4 hours of research down to 30 minutes.
Create a Custom GPT (available with ChatGPT Plus) where you upload the company's pricing, services, and references. This way, you don't need to include company data in every prompt: the Custom GPT already knows it, and every proposal, email, and analysis is automatically created in your context.
Admin: 3 Tasks That Steal Time Every Day#
4. Meeting Minutes#
The problem: After the meeting, everyone remembers something different. Nobody wants to write the minutes. If someone does, they're ready three days later and half the content is missing.
The ChatGPT solution: Jot down the main points briefly (or use a recording and have it transcribed), then ask ChatGPT to create structured minutes.
Prompt example:
"Create structured meeting minutes based on the following points. Participants: Kovacs B., Nagy A., Toth M. Date: 2026.02.10. Topic: Q1 marketing plan. Key points: 1) Increase social media budget by 20%, 2) Launch newsletter starting March, weekly, 3) Blog articles: 4 per month, AI topics. Decisions: budget approved, newsletter responsible: Nagy A. Deadlines: newsletter template by Feb 28, first blog article by Mar 7. Open questions: newsletter platform selection."
Time saved: 20-30 minutes down to 3 minutes.
5. Internal Policies and Documents#
The problem: Remote work policy, data protection notice, workplace safety guide. You always put it off because it's boring and time-consuming. Meanwhile, it's a regulatory requirement.
The ChatGPT solution: Ask it to create the draft based on your company data and relevant regulations. You just supplement and approve it.
Prompt example:
"Create a remote work policy draft for a 25-person Hungarian IT company. It should include: eligibility (who can work from home), working hours tracking, equipment usage, data security, communication expectations, expense reimbursement. Reference relevant Hungarian labor law provisions. Format: chapters, bulleted points."
Time saved: 3-4 hours down to 30 minutes (generation + customization + legal review).
6. Email Templates for Various Situations#
The problem: You keep writing the same emails: quote request confirmation, payment reminder, meeting confirmation, welcome email for new clients. Yet you compose each one from scratch every time.
The ChatGPT solution: Have it create a complete email template library with customizable fields.
Prompt example:
"Create 5 email templates for the following situations: 1) Quote request acknowledgment, 2) Payment reminder (friendly tone), 3) New client welcome, 4) Meeting confirmation, 5) Project closing email. In each template, mark customizable fields with [square brackets]. Tone: professional but not stiff. Length: 4-6 sentences."
Time saved: Creating the email template library takes 15 minutes instead of 2-3 hours. After that, each email takes 30 seconds instead of 2-3 minutes.
HR: 2 Use Cases from Recruitment to Onboarding#
7. Job Posting Writing and Optimization#
The problem: Your job postings are either too generic (everyone writes the same thing) or too long (nobody reads them to the end). Good candidates scroll past.
The ChatGPT solution: Provide the position essentials and ask it to write an attractive, specific job posting that stands out.
Prompt example:
"Write a job posting for the following position: Junior sales rep, B2B software sales, 25-person IT company in Budapest. Requirements: 1-2 years sales experience, good communication, English proficiency. What we offer: flexible hours, 2 days home office per week, performance-based bonus, young team. Tone: direct, motivating, not corporate. Avoid cliche phrases (dynamic team, innovative environment). Use specifics instead."
Time saved: 1-2 hours down to 15 minutes.
8. Position-Specific Interview Question Generation#
The problem: You always ask the same questions in interviews. Or you improvise, and afterward can't compare candidates objectively.
The ChatGPT solution: Ask it to generate position-specific interview questions with situational exercises.
Prompt example:
"Generate 10 interview questions for a junior sales rep position. 3 should be situational (what would you do if...), 3 experience-based (tell me about a time when...), 2 motivational, 2 technical (CRM knowledge, sales process). For each question, briefly indicate what you'd expect from a good candidate."
Time saved: 30-45 minutes of preparation down to 5 minutes.
Never upload candidates' resumes or personal data into ChatGPT without a legal basis. Job posting creation and interview question generation are safe because they don't contain personal data. For resume screening, use dedicated HR tools that are GDPR-compliant.
Marketing: 4 Use Cases That Revolutionize Content Creation#
9. Social Media Post Creation#
The problem: You know you should be posting. But when you sit down, nothing comes to mind. Or it does, but you can't phrase it well. In the end, you don't post anything.
The ChatGPT solution: Ask it to generate a weekly or monthly post calendar on your company's topics.
Prompt example:
"Create a weekly social media post plan for the following company: IT agency offering AI solutions for SMBs. Platforms: LinkedIn (Monday, Wednesday), Facebook (Tuesday, Thursday). For each post: text (max 150 words), hashtag suggestions (3-5), CTA. Topics: AI tips, case studies, industry news, behind-the-scenes content. Tone: expert but direct."
Time saved: 3-4 hours of content planning per week down to 30 minutes (generation + fine-tuning).
10. Newsletter Content Creation#
The problem: You want to send regular newsletters, but content creation always falls behind. In the end, you send one a month, poorly, or not at all.
The ChatGPT solution: Briefly write down the topics and ask it to create the full newsletter text.
Prompt example:
"Create a newsletter on the following topics. Company: IT agency, target audience: Hungarian SMB leaders. Topics for this week: 1) New EU AI Act regulation that applies to SMBs, 2) 3 quick ChatGPT tips for admin tasks, 3) Next AI workshop date: March 15. Tone: direct, informative, not salesy. Length: max 400 words. Close with a clear CTA toward the workshop."
Time saved: 1-2 hours down to 15 minutes.
11. SEO-Optimized Blog Article Outline#
The problem: You know the website needs a blog, but you don't know what to write about, how to structure it, or how to make it SEO-friendly.
The ChatGPT solution: Ask it to create an SEO-optimized outline based on your target keywords.
Prompt example:
"Create a detailed blog article outline on the following topic: 'AI implementation for small businesses'. Target keyword: 'AI implementation SMB'. Include: H1 title (max 60 characters), meta description (max 155 characters), H2 subheadings (at least 5), 2-3 paragraph outlines per subheading, internal link suggestions. Target audience: Hungarian SMB leaders, 10-50 person companies."
Time saved: 1-2 hours of research and planning down to 10 minutes.
12. Ad Copy for A/B Testing#
The problem: You always write the same copy for Google Ads or Facebook ads. You don't A/B test because there's no time to create variations.
The ChatGPT solution: Ask it to generate 5-10 variations and test which performs best.
Prompt example:
"Write 5 Facebook ad copy variations for the following offer: free 30-minute AI consultation for SMB leaders. Target audience: Hungarian company owners running 10-50 person businesses. Each variation from a different angle: 1) time savings, 2) cost reduction, 3) competitive advantage, 4) specific example, 5) FOMO (limited spots). Max 90 words per variation. CTA: 'Book a time slot'."
Time saved: 5 variations manually takes 1-2 hours. With ChatGPT, 10 minutes.
Claude AI is particularly strong in Hungarian copywriting and maintaining tone and style. If you're writing marketing copy, it's worth trying both and using whichever is closer to your voice. We also wrote about this in the Claude Code in everyday business article.
Finance: 3 Use Cases That Would Surprise Your Accountant#
13. Interpreting Financial Reports#
The problem: You receive the monthly financial report from your accountant, but it's a 15-page PDF full of numbers. You don't have time to read it, let alone analyze it.
The ChatGPT solution: Upload the report (you can upload files with ChatGPT Plus) and ask it to summarize the key takeaways.
Prompt example:
"Analyze this monthly financial report. Summarize the most important findings in 5 sentences. Highlight: 1) Revenue change compared to the previous month, 2) The 3 largest cost items, 3) Any unusual items or deviations, 4) Cash flow situation, 5) Recommendations for what management should pay attention to. Use simple, plain language, not accounting jargon."
Time saved: 30-45 minutes of analysis down to 5 minutes.
14. Cost Optimization Suggestions#
The problem: You feel like you're overspending somewhere, but you don't have time to go through every line item. The accountant does bookkeeping, not consulting.
The ChatGPT solution: Provide your main cost categories and amounts, and ask it to identify optimization opportunities.
Prompt example:
"Our company's monthly cost structure is as follows: office rent HUF 450,000, salaries HUF 3,200,000, software HUF 280,000, marketing HUF 350,000, utilities HUF 120,000, other HUF 200,000. We're a 25-person IT company with hybrid work (3 days office per week). Identify 5 specific cost reduction opportunities with estimated savings. Take Hungarian market conditions into account."
Time saved: This doesn't replace a financial advisor, but in 5 minutes it gives you perspectives you wouldn't have thought of on your own.
15. Contract and Legal Document Review#
The problem: You receive a 20-page contract and don't know what to watch for. Taking every contract to a lawyer is expensive. Reading it yourself is risky because you're not a lawyer.
The ChatGPT solution: Ask it to highlight critical points, risks, and unusual terms.
Prompt example:
"Analyze this service agreement from an SMB owner's perspective. Highlight: 1) The most important obligations on both sides, 2) Termination conditions and deadlines, 3) Hidden costs or automatic renewal, 4) Risky points to watch out for, 5) Anything unusual that deviates from standard market practice. In plain language, not legal jargon."
Time saved: 1-2 hours of reading down to 10 minutes. But important: this doesn't replace a lawyer for serious contracts. It's more like a first filter that helps decide whether you need one.
For financial and legal use cases, ChatGPT is an assistant, not an expert. Use it to understand documents faster, identify questionable points, and prepare for expert consultations. Always leave the final decision to a human expert.
5 Rules for Better Prompts#
For all 15 use cases above, prompt quality determines the result. These rules work for any task:
1. Give context. Don't just write: "Write an email." Describe who the recipient is, what the situation is, what the goal is. The more background information you provide, the more accurate the result. ChatGPT can't read minds, but it's excellent at working from context.
2. Specify the format. If you want a table, ask for a table. If you want a list, ask for a list. If you want a 300-word text, write "max 300 words." ChatGPT follows instructions, but if you don't set format expectations, it decides on its own — and it might not be what you wanted.
3. Specify the tone. "Professional but direct" gives a different result than "formal, official." "Sales-oriented, persuasive" is different from "informative, neutral." One word about tone completely changes the output.
4. Use examples. If you have a previous email or proposal you liked, paste it in and write: "Write a new one in this style for the following situation." ChatGPT learns excellently from examples.
5. Iterate, don't start over. If the first result isn't perfect, don't write a new prompt from scratch. Add: "This is good, but make it shorter" or "Less jargon" or "Make the second paragraph more specific." ChatGPT remembers the conversation context — use that.
Use this structure for any task: "You are a [role]. Your task is [specific task]. The audience is [who will read it]. Tone: [how it should sound]. Format: [what it should look like]. Context: [background information]." This framework gives better results 90% of the time compared to a one-line instruction.
Summary: 15 Use Cases in One Table#
| # | Use Case | Area | Savings/week |
|---|---|---|---|
| 1 | Personalized proposal writing | Sales | 2-3 hours |
| 2 | Follow-up email generation | Sales | 1-2 hours |
| 3 | Competitor analysis | Sales | 2-3 hours |
| 4 | Meeting minutes | Admin | 1-2 hours |
| 5 | Internal policy creation | Admin | 1-2 hours (one-time) |
| 6 | Email template library | Admin | 2-3 hours |
| 7 | Job posting writing | HR | 1 hour |
| 8 | Interview question generation | HR | 30 min |
| 9 | Social media posts | Marketing | 3-4 hours |
| 10 | Newsletter content | Marketing | 1-2 hours |
| 11 | SEO blog article outline | Marketing | 1-2 hours |
| 12 | Ad copy variations | Marketing | 1-2 hours |
| 13 | Financial report interpretation | Finance | 1-2 hours |
| 14 | Cost optimization | Finance | 30 min |
| 15 | Contract review | Finance | 1-2 hours |
Total: 18-30 hours saved per week if you implement all 15. But don't try to do everything at once. Pick the 3 that would save you the most time and start with those.
How to Get Started#
Select the TOP 3 use cases from the list above
The three that would save the most time at your company. If you have a sales team, proposal writing and follow-ups are the best starting point. If admin is heavy, meeting minutes and email templates.
Sign up for ChatGPT Plus
~HUF 8,000/month. You need the Plus version for file uploads, Custom GPTs, and more reliable responses. If you'd use it as a team, the Team version (~HUF 10,000/person) is recommended.
Try the prompts above with your own tasks
Don't copy the examples above word for word. Rewrite them with your own company data and your own tasks. The more specific the prompt, the better. Provide context, expectations, and tone.
Measure the results for one week
Record how much time you spent on the task without ChatGPT and how much with it. If you save at least 30%, make it a habit. If not, try a more detailed prompt.
If you want to implement AI more seriously in your company — not just ChatGPT but the full toolkit — read our AI implementation guide. And if you'd like your team to learn too, with our AI training and workshop service, your colleagues learn practical usage tailored to their own tasks. With our AI tool implementation service, we guide you through the entire process: from tool selection to prompt fine-tuning.
You don't need to be an AI expert. Just start using it. The rest follows naturally.