it's tax-free for something that you can't enjoy until someone is older enough to have a stroke,cancer and other diseases.

Maintain your hot tub properly so no one gets "hot tub rash" or Legionnaire's disease. 

Don't get the door disease and feel left out because you only own 1 property. 10-15 years from now, 2-3 multifamily properties in Boston will obliterate a pile of doors/cheap properties in a rust belt or low cost market.

This seems to solve the symptom but not the disease which is the disrespect.

Health RisksSome pests can carry diseases or trigger allergies.

In fact, it takes away value, like a disease. 

Last thing I'd want is a source of disease and other nastiness rotting away inside one of the walls.

Recently hadm.y mind blown by Rich Dad Poor Dad.My family and I have been slowly climbing out of debt, mostly due to medical bills from my Crohn's Disease.

Rodents are dangerous, they carry diseases. 

It's not a disease, it's a CRIME that preys on the most vulnerable.