However, the call is yours to make.You can take some steps to protect yourself:- Shop around for a home warranty provider who will cover all the units and their respective appliances and key things such as the furnace/AC unit.

Will it still be valid even though the house isnt under my LLC?

The current leases are still valid in change of ownership.  

Is there a warranty?

Do you provide a written warranty, for all labor?

If they do the repair and it has a warranty and the deal makes sense you might want to consider it.

They show up at closing with a quit claim deed instead of a warranty deed.

Others will also chime in with some of the very valid risks associated with a deal like this.1) Cash flow is king.

In contract law you cannot have a valid contract without a transfer of valuable goods which each side must possess.

Currently reading The House Hacking Strategy by Craig curelop, and he mentions one year warranty’s after closing.