This is similar to hotel occupancy and will prevent having to sue for eviction in the case of a lease.

This prevents hugely inflated prices for a finished basement (we all know a finished basement doesn't add THAT much value). 

My sister has severe diabetes and can't drive anymore.

If it's really being damaged by the property next door, they (likely) have a legal obligation to prevent damage to  your property, much the same way you can't change the grading and cause flooding on your neighbor's property. 

I don't do all of it - I've paid for new windows to be installed, and new gas space heaters, but SO much stuff you can find out how to do on YouTube and just gives you more knowledge overall to prevent contractors from dicking you around too!

Will the FHA loan prevent you from doing a brrrr?

If you have an upset tenant then you have two problems to deal with where as if you practice preventive maintenance you only have your serviceman to deal with. 

Protests prevented it from ever being turned on. 

She wanted to know what can be done to prevent the house from going through the full foreclosure process.

This would prevent me from dealing with paying any closing costs versus paying two sets of closing cost for a simultaneous (double) closing.