Habitability indicates that potable drinking water must be present and available. 

I bet you know a pharmacist John M.?

Your best bet is probably to reach out to the city that the property is in as this is probably a case-by-case situation.  

@Bob Hucker  We did not have new wire run to separate the fan from the light so for now the pull chains will be used to start the fan but I bet they will be used only once in a while as our weather is pretty consistent.  

You bet that is whats going to happen. a lot of lumber we use actually comes from Canada, so there will be a change in pricing if he does that.

Your best bet is to find a quality contractor in your area to have a look and give you options based on your particular situation with the house and the budget you have to work with.

- I am not a lawyer so take this as it may, but reductions in rent typically are for "habitability" issues in a unit or promises / guarantees.

It is in TexasI bet Moscow Texas has fallen out of favor with the media these days. 

I'll bet most of the people on this site had similar childhoods...and we are (almost all) well-adjusted, functioning adults!  

I would also be wary of a lease option as Medicaid has a nasty habit of showing up with lien on the property later if they paid any portion of the nursing home care.