Which assumption should the first test attack?

• The office decoration budget
• The one whose failure kills the whole idea
• The easiest assumption to confirm

What is the smallest version worth testing?

• The tiniest version that tests the riskiest belief
• A logo and a company name
• The full product with every feature

A test that cannot fail still teaches a lot about the idea.

What belongs in a first one-page business plan?

• The founder's life story in detail
• Customer, problem, offer, costs, and how money arrives
• Ten years of exact profit forecasts

How do you test demand without building the product?

• Build the full factory first
• Ask friends whether the logo looks nice
• Talk to users, presell, or deliver a manual version by hand

Why keep fixed costs near zero until demand speaks?

• So every experiment is cheap to run and cheap to kill
• So the business looks bigger to visitors
• Because spending is banned for new founders

After a failed test, what is the right next move?

• Record what it taught and design the next small test
• Quit business forever and delete everything
• Repeat the identical test and hope harder

A founder loves their solution and ignores weak sales data. Which habit would have saved them?

• Working longer hours on the same solution
• Hiding the data from the team
• Falling in love with the problem, not the solution