Failure is more than ok - it's essential. There is literally no other way to learn how to do something than trial and error. What's important to remember is th

Failure is more than ok - it's essential. There is literally no other way to learn how to do something than trial and error. What's important to remember is that even though it's important, failure still has a cost - be it in lost money, lost opportunity, lost time, etc. You're trading something away in exchange for knowledge. You need to make sure you maximize the value of that transaction by making your failures as cheap as possible.