They also should have been doing regular checks on the home. 

You can't offer someone who owes $200k on their mortgage $25k down with seller financing (check out https://www.biggerpockets.com/...), so another important piece of homework is to try and figure out how much the seller owes.

Check various reviews or get some expert opinions to get a feel on the life of some of these !!!

If you are living in Columbus I would recommend buying something you can easily check on.

An opportunity has come up, that appears to check most boxes for me.

There's a question at the bottom: "What information must I provide in order to obtain my most recent I-94, travel history, or compliance check, or to apply for a provisional I-94?"

since the lease is in the name of the LLC, the tenant should be writing checks to the LLC.You should poke around BP. 

Check wholesaler comps, they will send you comps that look amazing you need to be sure they are true value to your property.

@Nate Raynor You may want to check the zoning on that piece of land before doing further research.

Check your DM Ruben!