Not lessons you read and forget. Progress is measured by what you did, not what you learned.
Stage 0 · Decide what you sell
Not what AI can do — whose problem you will solve.
You have finished this stage when
You can write one sentence: “I sell △△ to ○○.”
What it covers
- What AI is good and bad at
- Inventory your existing skills
- Finding who actually pays
- What competitors already sell
Tools you use
Honestly · Most people stall here, thinking about AI instead of customers.
Stage 1 · First ₩100,000
Not a polished product — the goal is getting paid once.
You have finished this stage when
A stranger has actually paid you
What it covers
- Selling the smallest version
- Draft with AI, verify as a human
- Listing on marketplaces and pricing
- Reaching your first 20 prospects
- Getting paid — payment, tax, contracts
Tools you use
Honestly · The US median side-hustle income is $200/month (Bankrate, 2025). Half of people are in this band.
Stage 2 · Make it repeat
Turn one sale into monthly sales. This is where it becomes a side business.
You have finished this stage when
Three consecutive months of revenue from the same offer
What it covers
- From one-off to retainer
- Automating safely
- Raising prices, and justifying it
- What makes people come back and refer
Tools you use
Honestly · Depend on one client and your income goes to zero when they leave.
Stage 3 · Detach from hours
Stop trading hours for money.
You have finished this stage when
Revenue arrived in a month you did not work
What it covers
- Productizing a service
- Templates, ebooks, courses
- Traffic, ads, and affiliate income
- When Micro SaaS makes sense, and what it costs
Tools you use
Honestly · Few get here. This band is why the mean and the median differ by more than 4×.
Lesson bodies are still being written. The tools below work now.