Now 2 months later I receive a water and sewer bill that starts back in October.  

I don't want to do the leg-work flipping houses any longer, but I enjoy being in the game.I would like to setup a system where I would Joint Venture with an active flipper for a few projects each year.

Looks like I’ll blow that out of the water

They do have some pretty good looking software and a good organization system.

I've been asked this so much that we're now working with a group of investors to help others invest and to possibly build some new RV Parks.Btw - as an investor, I focus more on the non-pretty Parks that are more like Mobile Home Parks but also now interested in the resort/pretty parks.A few things to keep in mind:Permitting will be the biggest challengeUtilities - is there water available, wastewater options? 

Set up a payment system with a degree of separation and communicate through email.

The pool of knowledge is deep and the waters enticing here @Robb Chamberlain. 

Yours must be an r22 System.

So you install a furnace, A/C system finding out your permit application (~$1000) is denied to operate but you installed the new systems.

New shingle roof - $6-8 per sq ft New high efficiency furnace and all new duct work with 8 reagiters - $5000-7000New high efficiency tankless water heater with new 1" gas line. $3500-5000New hardwood flooring with stain - $10 per sq ft.