Before you plan on in-sourcing dry cleaning; make sure you are well aware of the rules and regulations pertaining to that industry.

From my research it looks like a very good market for STR demand, cash on cash returns, and STR regulation. 

Be aware though that there are many modular companies and some are more expensive than design/build custom ADUs.I would also agree with with Andrew, a conversion of an existing space (like a garage) might be the cheapest.Also, check with your city laws on what's an allowable ADU to construct based on your current home and rental regulations for them.Collin

I assume there might be different laws per state, so if someone knows specifically about Florida and any Federal regulations.

If a debt jubilee occurs, in which all debt is forgiven, either in the US, or globally, then you'd rather have hard assets than cash in a bank where it may be within reach of the government.

@Xavian Rimmer FHA is a government backed loan so you won't find much change from bank to bank.

Is there regulated formulas a building has to follow for water RUBS?

@Chris Blume go take a look at the current and pending regulations.

So me and my brother are going to be partner investors in our deal and after speaking to a cpa, she recommended to create an s-corp instead of an llc because of partnership regulations and a couple other draw backs.

@Dylan Eggers - Commerce City has had insane returns the past 5 years (the house values had doubled) but in 2019, it seemed like the Suncor facility was making people sick, so I agree with Craig about avoiding that area. https://www.thedenverchannel.com/news/local-news/regulators-hit-suncor-energy-oil-refinery-in-commerce-city-with-over-100-air-pollution-violationsThat said, I love Thornton and Westminster.