But when it comes to direct mail, is trial and error the only approach?

Think of it as a obese person telling you about a new diet or work out program they are going to start "next week".

Yesterday at the trial, was sitting behind them and you could smell them, dirty, disgusting.

A jury trial in Baltimore city in a civil case ............... rich landlord against poor tenant ..... who is going to win?

I just got off the phone with the victim of a scam on people looking for rent to own houses.Basically, this lady had started some 7 day trial with a company for finding rent to own homes.

I had a trial subscription with DataTree a couple months ago, but found their data grossly inaccurate or outdated. 

I live in Alaska, but started investing in my home town in Indiana, so I know some of the trials you are going through.Judy Murphy

Find properties, create great deals, figure out how you want to run your investments through trial and error.

A more productive way I have found through trial and error with the 2 other businesses I run, is via newspaper ads (electronic or paper), and facebook ads.  

We live in Southern California, so there is no "buy a 35K house" for us and learn by trial and error.