> As far as the idea, go for something as boring as possible. Preferably something that someone else is already paying money for but that the incumbent product is shitty or lacking in some major way. Fix it or make it signficantly cheaper. Business is just a wrapper around value.
I made something boring: https://invoicerunner.com
Nobody wants to use it because most people make boring things. The market of boring things is saturated in most cases.
I feel like I'm back at square 1 personally.
Building a successful business is hard. You don't just "build it and they will come". There is no one-line answer to success.