My uncle has an offer he pays all development fees and then gives the guy who engineers it all 33% gross cut.

If you're looking to buy a cheap property there, be very careful. 

Lightbulbs, batteries in smoke detectors is on them and written in the lease.You can really do whatever you want if it is written in the lease contract but bear in mind they don't own the home and won't care on certain things.

It has caused problems not just with housing, but health care.

Utilities altogether is about $250 a month, internet is $90 a month for the 1T fiber (we want fast internet for 6 people), 5% vacancy, Lawn care $120 a month, Pest control $30 a month, and we do bi-weekly cleaning of the common area at $200 a month.

Be careful.

You've clearly put a lot into it, you clearly cared, so why build it all just to off-load.

Although I care less about my financial loss, what upsets me is their manipulative conducts.

It's a former adult care home, so the layout is shared bathrooms, and this would allow me to not have to change the plumbing layout while offering a competitive price-point and unique experience to travelers.

I think you are best served to get the best advice and that is what will make your business work much better than the ones who don't care about the regulations.