2) The minimum hours required are 750 hrs, but if running a short term rental, 100 hrs is supposed to be adequate, is that still true ?

As long as you run your numbers and your estimates are conservative, you'll do okay in the long run.

Does that mean we are evil for for running a business?

Based on my analysis, the ARV looks to be in the $720-740K range, and after running the numbers, I anticipate a profit of about $40K including all the junk fees and agent fees.A couple of things I’d love your input on:Do you think it’s worth getting another quote from a different GC?

I would be happy to jump on the phone with you and run through your expectations and see if we can build a relationship and get this next project of yours knocked out.

Otherwise, probably not as they know they can get out of a significant debt by running from and avoiding it and have shown they will do that. 

Who are their architects, engineers, and contractors.

I have been to the 3-day and it is a well run event, by professional persons. 

We bring all our own food, linens, etc, and typically don’t even have running water at these locations.

My wife, on the other hand, didn’t seem to care.Today, we run a real estate agent team and manage our 26 rental units together.