At the risk of sounding obvious, you have different sources of energy to spend: your own time/effort, cash, equity. Figuring out when to use which is the trick.

At the risk of sounding obvious, you have different sources of energy to spend: your own time/effort, cash, equity. Figuring out when to use which is the trick. You can't optimize everything, so you have to think about it and give it your best guess.