And in terms of appreciation, according to Zillow data over a 8 year span, its been about the same for almost every market.  

Petersburg in the beautiful sunshine state that we call Florida, contact me!

The data plans are reasonable ($50/month) and the service seems like it would be more reliable through storms and outages. 

We have a tax accountant and financial planner that needs our data if various formats. 

I was delighted with their service and be happy to do a introduction for you to my contact manager (I am not associated with the company nor do I receive a referral fee).No business cards but line of credit yes.Revolving LOC? 

If you are just downloading data room info from brokerage sites and plugging into a model, you are refining your skills on the "act", which is certainly necessary and helps make the process faster.  

What is trading paper or contacts called?

I am new to the real estate game. I have 2 properties now one I live in but Short Term Rent it when not home which is a lot. The other is a Single Family long term rental. Just trying to find out more and better ways ...

This new twist of claiming you owe them money is a typical scam tactic to put you on the defensive so you won't contact them about the money they actually owe you. 

Regarding not being paid, have you contacted them?