The front door was left open, the house was filthy, no power on, food rotting in the fridge, holes in walls, and tons of stuff lefts in the house and garage.

Stop thinking you can dig your way out of the hole.

I have no idea how much you have spent chasing this deal so far but you may need to seriously consider how much you have to lose by walking away vs how much it will cost you to continue chasing the rabbit down its hole.

Basically, the less support you need, the more advantageous the monetary split should be for you.

Also make sure there are no loop holes in your insurance where your tenant can sue you for injury while living in the property.

If a carpet has a five year useful life, and you burned a hole in it after one year.  

He should go over that place with a fine toothed comb and charge for every little hole in the wall, every scratch on a door, every stain on carpet or walls.

Just for something to fall back on if everything goes sideways)Buy distressed properties using hard money or private money to finance the deals, and shoot for at least a $50,000 profit off of each flip.Live frugally, and use any leftover capital to put into buy and hold investments using the BRRRR strategyStep 3:Repeat until I can quit the 9-5 and go all in on flips and rentals, and eventually just buy and hold rentalsNow I'm sure that there are a million holes in this plan, and that is precisely why I posted this.

You need to drill a relatively large hole in the counter top to install an air gap, though.

Something that will include patching up holes, underlayments, sheatings and re putting the shingles back?