I want to cancel TODAY and get a refund of the $390 + tax membership fee. 

There are two reasons this is a bad idea.Investing with an SDIRA (assuming it is not a Roth) will often result in paying significantly more taxes. 

Tax structuring and LLC advice you can get for a paid fee too.

There are risky, but high return options like QQQ which grew 27% over the last year or on the other side / safe end, there are super secure short term US government bonds like SGOV which pays out about 4.5% in dividends. 

Nothing you mention is "ordinary" and you should charge for all of it. dodged a bullet there thats a very good price take it from the security deposit and call yourself lucky. 

I'd also add to that that you are paying a 20% withholding tax on gross rental income. 

Be sure to hold a hefty reserve to handle on-going maintenance, capex, taxes, and insurance.

I incorporated smart home technology, such as automated lighting, heating, and security systems, which is highly desirable in today’s market.

Work with a lot of expats and foreign nationals in this space tax related.

Since you're looking to expand into Florida and other states, I'd recommend starting by narrowing down your focus:Market Research – Florida has great opportunities, but each state and city has different laws, taxes, and demand drivers.