You should still do the abandonment notices to protect yourself.5.

I've been noticing their data is not up to date.

If you searched the forums as stated you’ve noticed that it’s been asked EVERY time this question is asked.

What are the trends you are noticing in your market?

First of all if they are subletting or have people living there who aren't on the lease, you need to give them notice to cure. 

She did so on her own after I gave her notice. 

In addition, the gas bills have shut off notices and are not being paid. (3 units are occupied and utilities are all paid by owner).

Most non-qm loan products will never have a 95% LTV due to the inherent risks associated with these type of loans not being traditionally backed by fannie or freddie (investment banks).

 - Fannie/Freddie (f/f) residential conventional loan is the cheapest money available.  

In my search, I've noticed that many positions require proficiency in Yardi.I've been actively looking for effective ways to learn Yardi, but it seems challenging to find suitable training or courses online.