I do not charge them or collect the money so I'm out of the equation.My 2 cents

With regards to rental income, these ADUs are a niche market, and you can charge about $3/s.f. to $3.50/s.f.  

Might be different in Maryland, but in Florida I'd probably charge $200-$300.

I apply first come/first serve to receiving a completed application, not a showing or a phone call.To manage my time, I don't charge for the application and therefore, don't show without it being on file. 

I am not sure you can charge one dime for repainting.

We charge a one time fee for each cat.

They require appointments, always are off schedule, and charge a ridiculous amount for a stamp and signature.

He charged me to buy all the tools also, pliers, tube cutter, plumbers tape, ect...How would you handle this?

Also, fidelity charges no fee for solo 401K right?

NJ charged capital gains tax on real estate sales unless you have residence for 2 years within a 5 year period.