They also "fixed" the back door that had been kicked in by putting a couple wood screws in the split portion of the jamb, filling what was left with wood putty, and painting over all of it.

I think i screwed up on the last one..

I have few follow up questions –On insurance – I will confirm that they have insurance in case they screw something up accidently on the site then the damages are covered.

The police say they are "well aware" of everything going on....So I can just check the headlines for when the dealers screw up or the police get enough to book me all (which may or may not be the end, see below).... 

Hanging upper cabinets in the kitchen can go faster if you screw a 2x4 into the studs to rest the cabinets on while you secure them to the walls.

You can write up an offer and screw the seller, say what ever you want, tell the seller "My Money Partners will buy this in 10 days if the price is right" and you don't even have a buyer's list yet.

Especially on your very first deal, you are going to screw some things up and that usually equates to lost money. 

Is there anything you guys can see that I'm missing or screwing up.

It drives up prices and expectations from sellers for those of us that are out there actually looking to buy them, but more importantly it can really royally screw a distressed seller thinking they have their house sold in a tight situation and you don't perform. 

I just wanted to check out the plumbing to be sure I wasn't going to get screwed, but it sounds like I put the cart before the horse.