Don't feel bad, this happens a lot.Facing 80% vacancy and tenant issues can be tough, especially on a first deal.

Furnished Finder is what we use to list all of our mid-terms and don't typically have any issues finding tenants. 

I contacted Zillow about this issue but received no response.

Presidents do not change tax laws.They can issue pardons and various executive orders, but changing tax laws can only be done by Congress.It does not matter what tax laws Biden or Trump want and promise.

Can you buy a house with a legal suite?  

Court of Appeals for the Fifth Circuit issued a stay of the nationwide preliminary injunction previously granted by the U.S.

Now, with taxes, insurance, and interest higher and rents not keeping up with property values, most investors are putting more down to get the properties above a 1.0X DSCR. 80% is acceptable, but the issue is getting the property to cash flow at the higher amount. 

Quote from @Daniel Reed: @Jonathan Greene So, are you suggesting that this issue is indeed driving investors away from Florida?

They appear to have run into liquidity and cash flow issues currently and worst of all have gone dark and not shared any of the requested financial information.

STRERSSA collect rents in their bank account is an issue for me.