Carrying charges, such as interest and taxes, that you pay to own property, except carrying charges that must be capitalized under the uniform capitalization rules; Research and experimentation costs; Intangible drilling and development costs for oil, gas, and geothermal wells; Exploration costs for new mineral deposits; Mining development costs for a new mineral deposit; Costs of establishing, maintaining, or increasing the circulation of a newspaper or other periodical; and Costs of removing architectural and transportation barriers to people with disabilities and the elderly.

For example allowing your tenant to pay online for a cost of $0.50 per payment is a total no-brainer, as is allowing them to submit routine (non urgent) ticket online etc.

., disabled, veterans, etc.) and so many other niches that can be developed in the rental business. 

I've never needed a runner.My cleaners handle turnovers.I schedule routine maintenance.I get a handyman for unscheduled repairs.

I routinely work with commercial painters in the Washington D.C. metro area around $3.00 Sq Ft. on the high end, (high) labor and (high) materials .

Can you verify their disability and if so, how? 

Outside of work do you have a morning ritual / routine? 

I routinely make offers in excess of list price. 

I have read online that under the Department of Housing and Urban Development that they have laws in place for people with "mental and physical disabilities" as far as renting is concerned.

Perhaps update your rental agreement that they are required to use it and/or add those 60 usd / month and contract an outside company to keep it in their routine (only if you really have hard water, again, for your city it might not be required)I just acquired a 40+ unit building, ... probably around 5 years ago (about the time of the original post here ;-)) the owner back then decided a softener is not needed, ... so they bypassed the existing softener, .. now all plumbing is pretty much destroyed due to the hard water we have in this town.