Your local health department may have information to help you implement a no-smoking policy.

If not, you may need to increase the septic to handle two family, per your county health dept codes.

Mike Hurney My degree is in nutrition and my career goal is to be involved in global health research and field work.

It had issues, but they were things I understood (health department and septic) from prior property management. 

You might make a reasonable argument, if you were going to issue currency based on standard, that that standard should be a resource that can be depleted and/or renewed, such that the circulation of fiat at any time was dependent upon the health of that resource. 

Unfortunately he developed health problems a few years later and we were able to buy for a fair price. 

Open windows let in road dirt, dust and allergens that settle in your home and never leave and in doing so, promote health problems that go improperly treated for years.

Depending on the system, (and what you're willing to pay for) they may even dig into the drain field to see if it is saturated.The county health department will have records on the locations, sizes, and capacities of the tanks, diversion box,  and drain fields, including an area delineated as a replacement drain field(s). 

I am not a property investor, but have friends who are, and they have told me stories of ruptures within their families because of inter-family rentals gone wrong.Adding to the mix is the fact that my mother, the owner of the property, is elderly and in poor health.

As we plan for financial independence, and calculating our target financial goal, one big (unkown) piece of the puzzle is health insurance costs.