If the electrical panel is substandard (dangerous) and they are the one who hard wired an extension cord in the attic while cutting through a major purlin holding up the roof, and the garage door doesn't open due to damage (when they hit it with the car?)

Let's also not forget that even if you progress to actual negotiations with the bank, they are going to try to slip in something sneakily to try to cut your commission.

I agree there are corners that can be cut . 

How much farther can you realistically go up without cutting too much into your profit?

Not a ton of profit as a lump sum, but in terms of return as a percent of money in or value of home, it makes the cut.

I would manage it as a VRBO property, convert to a traditional mortgage within the next two years and make aggressive payments to cut down on the principal as quickly as possible.

The strange thing is that 21st rolled the sales tax into my loan and cut me a check to pay the sales tax to SC. 

If they could (1) cut down transactions costs, e.g., commissions and carry costs; (2) keep the construction costs down, with large buying power and in-house construction teams, then it could work theoretically.

Everyone wants to be a hard *** and say it’s a business, so cut no breaks ...we’ll business is also built on relationships over time and respect.

I didn't even raise the price when I offered it to him, but he cut me a finders fee (which I got in a signed contract) anyway.