I figured out at one point what a ten year period of major and minor repairs/systems replacements, a few turnovers of tenants, and normal routine repairs would be.

The comedy routine continues.

Lead may cause a range of health effects, from behavioral problems and learning disabilities to seizures and death.

I don't have any evidence to support this assertion; and would love to be wrong about it.I agree that providing support for parents who choose not to support themselves (I'm not talking about people with disabilities, but people who are lazy and choose not to try to pick themselves up) is wrong, and I don't want my tax money going towards these people.

I make a habit to routinely inspect the house inside and out to make sure there little pet have not gained 50+ pounds all of a sudden, or done any damage.

What happens if the husband makes 5X rent, but the wife is disabled and makes $0 because she can't work.

This is why landlords must routinely check on their properties both inside and out.

A lot of times in schools that are not so great the dummies as you call them are kids with learning disabilities  like Dyslexia ..

When I get new clients that have previously prepared their own tax returns, I routinely find that they had been making mistakes or missing deductions that would have saved them more in taxes than the fees I charge them (sometimes by several times). 

A pet policy does not allow you to disregard the Fair Housing Act, which says (basically) you cannot discriminate against people with disabilities, which includes service animals.