We use Appfolio in our office and love it, and I know there are people out there who use Turbo Tenant as well, I actually met their CEO at a conference and he was extremely knowledgeable of the struggle in keeping track of it all.  

Find a good lender/loan officer.

Which isn't too unrealistic because they don't have any debt (eXp is cloud based and doesn't have buildings/offices)

Over the years I picked business degrees, real estate license, tax preparation training, loan officer licensing and training, investment / CFP training and it is all tied together in one big connected body of knowledge that emphasizes appreciation, debt pay down, cash flow, and tax write-offs...  

We still have some tenants that bring rent to the office instead of paying online.

Its why i travel to the Market I spend usually 2 to 3 days my office does a deep dive into MLS stuff..

I used to be a loan officer, however, I will for sure refer you to the experts as I have since transitioned to being a realtor!

@Jitao NiuBeing that it is a local bank - I would make an appointment with a real estate loan officer at the bank and go in and speak with them.  

Hello Everyone,I am Collin Reichelt and I am a military officer with over 20 years of  service in the U.S.

I've had tenants come into my office visibly nervous about having to break their lease.