Mortgage, taxes, insurance, roof, lawn, toilets, sinks, driveway, patio, siding etc. 

That's funny because I and other Contractors always thought the SOW was to keep the customer accountable :-)  They were always the problem in my many years of experience......Not kidding at all, that is my experience too, however, being on the client side many times in the past, the SOW did help keep the contractor in line more as I was not the ordinary client being a RE investor/developer prior to being a contractor.Great post and flippers AND buy and holders should take note of this (in fact, so should wholesalers!) 

Things to look at would be lot coverage restrictions (anything covered such as carports and patios would be included in square footage) and set backs.It looks like your main obstacle would be the setback on the rear of the property as that workshop is basically on the rear property line.

I've been using them for more than 40 years, never had a problem with one out of the ordinary and since you don't require much heat in Texas I think they are a perfect fit.

Nothing extra ordinary.

Hey BP,Working on some final projects for my duplex which has an all concrete yard.  Only thing is that it seems to have been made that way at different times so it is a mixture of plain concrete, painted concrete, pa...

You'll pay ordinary income taxes at your marginal rate.  

Phase 1: Demo/Interior Framing layout walls and rooms. [10 days] Demo whole house/clean up interiorExpand walkway between living room to eating are by 3 feet (install new header)Frame up new laundry area, frame bedroom wallFrame up new patio sliding rough opening and install new sliding patio doorFix water damage floor in hallwayTile bathroom floor and wallsInstall rough electrical throughout house.Install rough plumbing throughout house.Install insulation and drywall sheetrockMeasure windows/door.

Maybe have a big mulch area then a band of rock then the concrete "patio."

It makes no difference if flipping is your regular job or not, anybody who buys a home with the intent to fix and resale it is subject to income tax at their ordinary rate, it is never taxed as capital gains.