The tenants can simply call front desk to have most issues addressed without having to call us.

So if you want to keep your 1031 confidential simply make the contract an assignable contract. 

Or simply some other form of contemporaneous record? 

I think the due diligence fee falls squarely in the category of "stuff buyers do in a HOT market when they desperately want a deal and simply don't know any better!"

I'll simply make sure that this part of my criteria is not listed in writing and will have to go based off screening/conversation, application, and background check/references.

You might schedule an automated email that simply lets him know you are still interested for your original offer. 

But if there isn't, I guess it will simply remain a black box.

No, depreciation is simply an accounting deduction allowed by the irs...it doesn’t affect value at all.  

Marketing a property you don't already own in expectation of any sort of benefit requires a real estate license.Wholesaling as described is simply unlicensed real estate brokering and the state of Massachusetts clearly says it's illegal. 

The minute someone is simply a passive party, this can get you in trouble.