Such as increasing rents, additional laundry income, added gym, etc. 

Extra rented space in the basement or laundry etc

Particularly when there is no space to add a 2nd bathroom on the 1st floor and a laundry room is needed.  

., but the ones who don't mind paying more for a better package (in-unit laundry, shared yard rather than just parking, etc.) are the ones that will also maintain things.

Was he or she really yelling?

They also bought out the laundry so they are not splitting the profits for that.

If you want bigger juicier notes, look at small business transactions, Ma and Par retired from the motel business, sold the car wash, sold the cafe or the auto garage, it's not just houses.

If you loan yourself money and pay yourself interest, the interest is both an expense and income, so its a wash for taxes.  

The account number that I give out is essential a "wash account".  

I also am trying to mainly focus on owner financing deals, but with not much success as the majority would rather wash their hands of the place.