Starting a business at nineteen means making mistakes when they’re still cheap.

Mistakes get more expensive as more of life gets attached to you. At nineteen a failed idea usually costs a summer, some pride and whatever small amount you put in, while the same mistake later can cost rent and other people’s plans. Starting early is less about being a prodigy than about testing things while the bill stays small.

If you have an idea, run the cheapest possible version of it this month. Sell one thing, take one customer, print ten stickers. Find out what breaks now, while breaking is affordable.