[super-serial]

I'm in a very similar position and since I also suck at sales I choose B2C over B2B. Selling to businesses directly is hard. Why not first sell to consumers, then have an "enterprise version" if it catches on?

So for example for your campground app - why not first solve problems of individuals going to the camp? It could be as simple as a public map tool where people could put/share markers for different resources on the map... then after you provide value for free, offer premium services. I haven't been successful either so maybe this is horrible advice, but that's basically how I try to solve the problem of sucking at marketing/sales. (do marketing through engineering)