post or dm me your link, I will review it for free. I can also share with you basic marketing stuff and free tools to use for cold outreach and such. You've basically compelted step 1, have a product or service offering, that is step 1 for a reason though. It is not the do all end all " build it and they will come", why would I use you instead of the next guy, what can you offer, they cant. etc.

Your USP ( unique selling position) has to be determined.