Haha. Man. I am still doing all this myself. Good thing I am a Sr Software Engineer lmao. One day… The struggle is real when you try to do it without outside investors. I did approach a couple a few years back. Apparently sweat equity isn’t a thing. 😂
Go with 3.
With 2, you’ll throw yourself into an endless money pit and now YOU’LL get to understand why their SLA’s are lacking. Without proper developer management understanding and planning, you’ll speed much much more money.
Sadly, you’re just going to have to start all over :(