This card is tied to the first bank account and is on auto pay.

We have rentals, home, auto and umbrella with them. 

How do I deal with her and is it a lease violation?

It sounds like the tenant has solid evidence their check or auto payment was received by the wrong party.  

In the meantime I would love to have some helpful information or ideas to share with the buyers when we meet and ideally an agreement/contract we could fill out together once new terms are agreed to and then share that with the attorney so he could draft up the formal instrument for recording.If you have experience with this type of scenario, I’d love to hear any recommendations you have or any helpful resources you could point me to for the appropriate paperwork.Under foreclosure laws, you have to send appropriate notices and try to work with the borrower and offer a loan mod before foreclosure anyway. 

Fix it.We eliminate as much landscaping as possible: we take out flower beds and most decorative features, ideally, lawn mowing is the only job tenants have to do, because we know that's all we can expect from most.

Investing locally would be ideal for sure.  

I know that ideally, I reach out to my broker or any other reputable insurance provider to get a more accurate estimate.

I attached some visuals to give an ideal of the type of area. 

Apartments are the least ideal living situation for us, so what if we got stuck in a multifamily property we intended to just be in for a short time.