If they are totally uncooperative, which because of possible litigation is understandable, search of l/t court for your location will show if there was action(s) against them.If the prospect is still living there, ask to do a home visit to see exactly how they live. 

Although an LOI is non-binding generally it is signed in good faith with the expectation that both sides will work towards getting a mutually acceptable PSA that follows the general guidelines laid out by the LOI.

If using an agent with a wholesaler expect to pay them yourself2.

Make sure they have a thorough orientation on the expectation of a tenant and home care.

I could see things sitting longer in that area in general, but the property taxes are higher than I would have expected as well.  

They had T-111 skirting that was to and below grade all around and the termite damage was obvious.

I EXPECT that my tenants in C/C- properties will occasionally have issues that prevent them from paying full rent in a timely manner and I have polices and procedures in place that allow me to work with these tenants AND limit my losses.

I hear a lot of these guys get or expect to get 1/3 people they meet under contract.

If I was expecting a significant amount of cash out of the deal I would have halted at closing and sourced out new funding. 

Expect only 25% on a referral.