Make people an offer so good they would feel stupid saying no. - Alex Hormozi

There's only really one belief you need to win:

Belief in your ability to figure it out.

That's it. Start - you'll figure out the rest.

Amazon has haters.
Apple has haters.
Nvidia has haters.

It doesn’t matter how good your product or service is. Someone will find something to hate about it because they get more attention from hating than simply agreeing that your product is good.

Hate is “success overhead.”

The thing you're putting off doing is hard. That's it. Not impossible. Just hard. So you might as well start now, because waiting isn't gonna make it any easier.