As for windows and cabinets we shop at Habitat For Humanity stores, Goodwill, etc. 

If your goal is simply MAKE AS MUCH MONEY AS HUMANLY POSSIBLE you will be stuck right away.

My goal is to provide the touch of loving care to existing homes, and make them great habitable places for fellow human beings, and it wouldn't hurt to make a buck or two while I'm at it.

I would simply point out that human nature leads some to ask questions simply to hear what they want or need to hear.

For those who are saying evict the current renters and do the airbnb yourself - I think there are more humane and profitable ways to make money.I know this isn't an ethics forum but I think good karma goes a long way.

@Matt LiuWhen you use theDiotemacous Earthyou must use the food quality variety, that is used on fruits, vegies and grains and it will be non-toxic to humans.

Despite our profession revolving around the exchange of properties, we have a duty, much like those in the medical and legal industries, to realize the human factor in our product and services.

If they know when pay day is, that might be a good day to do it.Although this idea works when the check is made out to a human that has proper ID, when the check is made payable to a company it's a different story.

Also, this gives me the impression your whole operation would be so automated that the human element would suffer. 

When I stopped endearing myself to the human element, my life improved dramatically,