Another thing to in mind is wholesale deals are cash deals so you typically can't get bank financing to close them. 

@Matt Carey honestly man we have success just using our handyman to remove it they typically have trucks or a small trailer and won't charge that much.

These typically are higher rate and easier to get to fund.There are also amortized 15-30 year loans that are based on DSCR, LTV, and credit.

How typically have landlords done this.  

If you invest in a home and do not live in it, banks typically require 20%-25% down. 

The sidewalk has an easement for public use but is not typically owned by the municipality

Their trash is stored outside and typically hanging wide open, which I suspect attracted said wasps.

Understand about the bank's position and unfortunately at this purchase price it's typically 'first time buyers' with little to no money down.But the thesis you are working on there smells of collusion: bank wants a better ratio or less money in therefore 'works with' the appraiser to lower the purchase price. 

I was a little nervous about it considering buyer was using FHA financing since FHA typically scrutinizes these types of things. 

I was told that GC's typically don't like to come out and give bids on properties that are not even under contract.I'd hate to have a potentially reputable GC come out to walk the property with me and then I don't get the deal and they feel that I wasted their time and that I was just a tire kicker.