For me it is not ideas or building, it is staying focused on what actually matters. It is easy to keep adding features instead of solving one real problem well.

If you are trying to bootstrap your startup, then one of your biggest challenges is trying to find co-founders who can/will put as much skin in the game as you do. Everyone wants you to take all the risks while sharing all the rewards.

funding is the main problem

I wiped back to front and got poop on my balls