I know banks don't like having RE on their books for too long at all cause of illiquidity. 

Z is wrong 'cause it is worth 20% more than what AVM say....

The warranty on that treatment is expiring soon unless we extend it for another year by paying $175 which covers up-to 100k in damages should they occur.

Your Mom could offer to buy a 2 foot easement from the neighbor to keep the fence where it is and not cause a problem with the addition. 

The line may become blurry as to actual costs and delays caused by your oversight, and things that you may not be at fault for.

As someone said - first thing to do is get her affairs in order if you haven't already and have DPOA's set up for finance and health if 2 people will be involved or just one for all affairs - definitely consult an attorney and get everything in writing - if your family goes and invests her money and you lose it or there are not checks/balances and someone is essentially embezzling money you're asking for trouble and can cause her all sorts of issues.  

Plus, it helps a good cause.

repair requests, no rent, late rent, damages, etc, all are common, but a worn out land lord may be tired of them and want to sell.

I've been hearing many locals saying they want to list their homes for sale next year when the Raiders get here(thinking that will cause prices to shoot up), but I have a feeling they're in for disappointment when they realize everyone else had the same idea. 

An impending “correction” will definitely cause me to be more conservative on the first one.