The legal requirements, government agencies, rules and regulations will put you in the mad house.

Yes, a 10 year term will typically be the highest they will offer especially since we're in a rising interest rate environment, on year 10 your loan resets to a higher rate inline with rates 10 years from now. 

IRC Sec. 219(f)(1), Treasury regulations, and IRS Publication 590-A,Contributions to Individual Retirement Arrangements (IRAs).

Are you at all worried about what would happen there in a recession environment?

That's the way business goes.If you can't figure out how to be successful in a changing environment, get a regular job....

. § 9-463.01, et seq. is applicable and the municipality regulates.

Be sure to get it tested for Asbestos, new EPA regulations require testing prior demolition and fines are pretty serious. 

After an almost identical bill was vetoed by then-Governor Rick Scott in 2017, this is a second attempt.https://aaplonline.com/aapl-opposes-floridas-re-attempt-at-regulating-private-lending“Specifically, SB 1632 revises the definition of the term “mortgage loan.”

We planned to purchase an investment property early next year, but the current environment as well as our personal situation has left me wondering what the best RE investment strategy will be. 

It is your legal responsibility to know the regulations if you intend to have tenants.