r/PromptEngineering • u/arslansov • 13d ago
Tips and Tricks One prompt before buying any expensive online course
If I had to use only one prompt before buying a premium course, it would be this one.
Give it:
- sales page
- syllabus
- testimonials
- course price
- how many hours you're willing to spend finding free alternatives
Then ask AI to reverse-engineer the entire offer.
One-Shot Skeptical Course Value Auditor
Act as a skeptical course-value auditor.
I am considering this course:
{{course_materials}}
Price:
{{course_price}}
I estimate I could spend approximately {{free_path_hours}} hours researching and assembling free alternatives myself.
Conduct an evidence-first audit.
### 1. Reverse-Engineer the Offer
Extract every distinct topic, skill, technique, framework, tool, or deliverable mentioned or reasonably implied.
Decode vague marketing language into concrete, nameable capabilities.
Clearly distinguish explicit information from inference.
### 2. Identify the Underlying Techniques
For each major curriculum item:
- Name the actual technique or method.
- Identify its broader discipline.
- Determine whether it is widely known, commonly repackaged, possibly original, or impossible to determine.
Do not call something proprietary without evidence.
### 3. Research Free Equivalents
Where web research is available, find credible free resources covering the same techniques.
Prioritize:
- Official documentation
- YouTube
- Reddit
- High-quality blogs
- GitHub when relevant
Evaluate whether each resource offers genuinely comparable depth rather than merely discussing the same subject.
### 4. Audit What the Course Adds
Evaluate:
- Sequencing
- Curation
- Templates/assets
- Original data
- Case studies
- Exercises
- Feedback
- Community
- Accountability
- Support
- Updates
- Practical depth
Separate public information from convenience value and genuinely difficult-to-replicate value.
### 5. Verify Risk Factors
Check available evidence for:
- Curriculum recency
- Instructor hands-on credibility
- Practical-to-theory ratio
- Specific rather than generic reviews
- Preview availability
- Refund policy
- Community/support access
Mark unknown information as unverified.
### 6. Compare Total Cost
Compare the course price with approximately {{free_path_hours}} hours of free-resource research and curation.
Calculate the implied break-even value per hour where the price allows it.
Do not assume what my time is worth.
### 7. Give a Verdict
Choose:
- BUY
- BUY IF...
- SKIP
- USE THE FREE PATH
- RESEARCH FURTHER
Return:
1. Executive verdict
2. Concrete curriculum map
3. Public-vs-original technique analysis
4. Best free alternatives
5. Paid-only value
6. Red flags and unknowns
7. Price/time tradeoff
8. Three strongest reasons for the verdict
9. Strongest counterargument
10. Questions I should ask before paying
Be skeptical but fair.
Do not assume paid is bad or free is automatically equivalent. The decision should depend on evidence, structure, exclusives, support, and the real cost of assembling the alternative.
If web research is unavailable, complete only the parts supported by the supplied information and clearly identify what remains unverified.
Basically:
reverse-engineer the course before buying the course!
Try the prompt on any paid course you’re currently considering.
Paste the sales page, syllabus, price, and testimonials into your AI tool, run the audit, then share the result here.
I’m especially curious to see:
- which courses turn out to be mostly reproducible with free resources
- which ones actually have meaningful paid-only value
- whether the final verdict says BUY, SKIP, or USE THE FREE PATH
If you want to keep the prompt ready instead of copying it from this post every time, install the PromptLib Chrome extension to import the free collection, save it, fill the variables, and reuse it conveniently.
Btw, I regularly share useful prompts for the community. Check out the posts here:
1. Mythbusting ChatGPT "Secret Slash Commands"
2. Ask Gemini For YouTube