His rent rate (and corresponding security deposit) are ~ $100 below market.Unit B's lease will be up in December (was a year term).

I have never received any correspondence from a bank or lien holder.

One thing that I have found great use of is Realeflow's power matching feature, it lets you match your deals with other uses buyers that have the corresponding buying criteria or VICE VERSA. 

So, a large down payment also creates a corresponding capital gain in the first year.Another way to say it: the seller pays capital gain taxes as he receives payments, as opposed to everything at once.

All correspondence with her should be documentable (i.e. text, email, written notice) and couch your responses very carefully. 

I haven't received an email or correspondence yet.

It increases the odds of a tenant turn over with corresponding vacancy and the associated costs.If it is a good idea to raise the rents, why did the current landlord (LL) not raise the rents?

We talked for a bit and I found out that his mom had passed away a few months ago, and I figure this may have something to do with his reduced correspondence.

In most states, you must send the cosigner every piece of correspondence you send tenant. 

Her Attorney also requesting I pay his bill, already in second correspondence.