In our case we all ALREADY had all of our retirement savings in IRAs and 401Ks, so it seemed natural.

If the real property is in CA, you're definitely doing business in CA.Most likely the state where the property is located is where lawsuits would be brought if they are something for personal injury like a trip and fall or something of that nature because the “cause of action” arose in that state.

No - "DSCR Loans" are for residential investment properties only (with only a very minor exception for small mixed use properties that are majority residential in nature in every way)

That being said there are also areas in Suburbs I would avoid like Norristown and Pottstown due to their nature (class C or lower). 

I would not due business again due to the nature of the financing terms and the home quality.

For the insurance deductible on the claim, it depends on the nature of the claim: if it’s for a repair, it’s deductible this year; if it’s an improvement, it needs to be capitalized.

It occurred to me that the reason I have not been able to find any research on this topic is probably because of this subjective nature and time consuming attribute of this weed out process.Without further ado, my findingsNew construction homes that were bought in 2017 increased in price by 28.3% when they were resold in 2022.

So lucky for you partnerships dont actually need to be filed with the state, they can even be oral in nature.

I had hoped that the natural draw of Disney etc would work in my favor but there's just too much inventory.

Typical assumption is that security deposit would 100% go to cover property damages - that's the whole nature of the deposit IMO.