I may get hit by a bus tomorrow - who knows? 

You are also allowed to fully deduct the cost of meals in situation where the employer has employees and needs to have them continue on a job and so for the convenience of the employer provides a meal that allows the employees to remain on the job.The IRS recognizes that there has been a lot of abuse when deducting meals and many years ago limited most meal deductions to 50% of the cost of meals and entertainment.Hopefully this helps.

Even on flat-fee billing, which is most of my transactional drafting, if the client abuses the privilege of the fee structure with excessive emails, I will warn them that I will start charging for correspondence. 

They are have a wealth of issues (untreated mental illness/substance abuse etc) that would need to be addressed before suitable housing could be found.

My lender knows I could do this, it's just he wants some sort of security just in case I have a run in with a bus or something.

My best advice would be that if you suspect someone is abusing the law to get a pet into a "no pet" unit or to avoid paying a pet deposit, asking the above question should weed them out. 

I know a couple who tried this, and they moved out after a few months because they did not want to continue enduring the anger, pleadings, and general abuse they received.

NOI and Sale/Value/Purchase price), as you have found, there's too much misconceptions, misuse and even abuse.

Tenants abuse properties.

Yes it’s open to abuse , potentially, the price might be bumped up, but not by a crippling amount, and how many times a year is this going to happen anyway , not many.