I would also check out the free e-book for beginners. 

Basically:the first 5 digits are the court locationthe next 4 numbers are the year and month (i.e.

Yes digital locks.

Its a $29 E-book. 

We use Call Ruby for my digital marketing company.

@Robert Burns, I just finished reading Dave Van Horn's excellent eBook called Introduction to Note Investing.

He also wrote a good e-book on the topic, named The Ultimate Guide to Buying Apartment Buildings with Private Money, which I recommend.Two other sources of good insight from those who recently got started raising capital for apartment syndications are:1. 

If that is a LOW number (perhaps single digits), then that would be a signal that you have some built up equity to either cash out refi or do a 1031.

In this economy, I think you have to be conservative and look for opportunities that will deliver yr 1 double digits.

And Houston property is appreciating in value at a very healthy rate (we may approach double digits this year)  and has for the last couple of decades.