If not, I would talk to an attorney about writing up an indemnification agreement you can sign for the seller. 

Out of state properties are great for tax write offs!  

At least yearly property visits aren't occurring (remember this can be a write-off so use it as a mini-vacation), and 3.)

Get you thoughts together, we don't write books to address vague questions.

I'm not ready to execute but want to write it up so its ready to go - there is no reason for me to consider this not going through.  

Keeping it as a rental property could get tricky, because even if your brother and you get along, there are certain issues that will need to be ironed out in writing prior to it becoming a rental.

They seem to never write their information on the deposits.

You'd miss out on the write-off/depreciation of those repairs/improvements but save on paying the taxes on the "cash".Maybe a good example, maybe not.

I feel she was walking around looking for any possible defects for them to write down.  

Here is a sample board that has an identical format: https://trello.com/b/tsSiw9QN NA Beard Your point on getting everything in writing is a good one.