I don't want to waste any more of his time and I'm not going to move forward with him.My questions are:What is the typical GC profit margin?

If my number was that far away from the owed amount or his asking price I would probably not waste any more time on it.Just my opinion.Good Luck.Bill

It is interesting to watch, but you can waste a whole day easily waiting on the representatives to show up and begin doing their thing.  

I've always been a firm believer in using [multiple] LLC's under a S-Corp to maximize protection and tax benefits.EVEN if it's a complete waste of the $250 [to pay a professional] to setup the LLC, you only lost $250 plus a few dollars a year to maintain it.I seriously doubt The Donald has Trump tower in his personal name...

Business I had a lot of no shows or clients not ready to move right away wasting my time!!!

If your septic tank pumper is concerned about quickly accumulating scum layers, reduce the flow of floatable materials like fats, oils, and grease into your tank or be prepared to pay for more frequent inspections and pumping.Washing machines:  By selecting the proper load size, you’ll reduce water waste.

I dont waste time driving to meet for 1 appointment.

They are a complete waste of time.

Making a subject to offer actually helps with a lot of things:  - You decide what purchase price makes sense for the property to cash-flow - You find out if the seller is interested - You find out whether repairs and update costs will make sense for the purchaseAnd at the end of the day, you're moving quickly, and as all of you said, it helps minimize wasted time for all parties

But no there are not going to waste time if there is not something in it for them.