Moreover, to piggyback off others, $200k in virtually any market means C/D-class unless you have vital information about the area turning around/gentrifying (new development/infrastructure).

If you donate them to a 501(c)(3) charitable organization, you can get a tax deduction equal to the current fair market value of property, no matter what your parents paid and no matter whether title has been quieted or not.  

I bought 1% ownership, the experts handle all the work, and I anticipate a return equal to - or better than - actual properties that I manage.

From what I recall it is addressed using a 1 page addendum that says something to the effect of "the borrower is partnering on the purchase of the property with the lender, and is paying a fee equal to XYZ for the sole right to the ownership of the home".

If your fear is on a 30 year time horizon, then your lens should also equally look at the potential upside down the road over 30 years. 

Where to go to get all the information an investor may need like for taxes, trends, what's coming, and all other vital information that I would need to even consider making an offer on a property?

Two 5 bedroom homes for $500k would be a good place to land for Orlando market, but equally a 11 to 14 bedroom at $1M would provide similar returns. 

In order to past this SS test, your appraised market gross rental income at 75% has to be more/equal to your monthly mortgage payment (PITIA).

Our rule for investment in STR is always equal baths for beds, its been a recipe for success for us.

All corners are not created equal either.