He has built a business on the model of giving most of your content away free to build your audience (tribe) and then sell them the most valued, exclusive material.

The last thing you want is a buyer throwing a fit at the last minute because your shade of touch-up paint didn't quite match.  

So I'll just throw out the simple answer:  "No, don't do it, you're crazy."

I will pay for half to keep our relationship intact, so I might do it simply for that reason alone, but I feel like I may be throwing away hundreds of dollars before I even send the money.  

I can throw some comps out on this thread for all to see & analyze.

Wanted to throw my 2 cents in since im currently analyzing a deal that my guess is pretty similar to yoursHere is my post if you wanted to comparte my numbers against yourshttps://www.biggerpockets.com/forums/88/topics/496... 1- If there are any common areas, make sure you have an owners meter . 

They want top dollar for bigger commissions and they market properties to the widest audience to benefit their clients.offering less than asking with a property offered to the public may get you a "deal" however the real deals are the properties you buy directly from an owner off market.

Throw a cat up there with a bowl of food for a day or 3 and it will take care of your problem.

They are the target audience, or who you want your marketing to speak to, the marketing message, or what you want your marketing to say, the method of delivery, or how you will say it to them, and your marketing budget.Without having a clear idea in your mind of who you are marketing to, all of your marketing efforts will be a shot in the dark.

If you are working with investors, open an escrow account and throw investor funds in that account, even if you're paying 2 or 3 % and getting nothing out of the escrow, it can build that relationship, if your account is big enough you begin to have leverage for a loan.