I picked up some of his techniques by observing others, but I never knew there was a book filled with other ones!

Thanks Vincent,Big Fan of the BRRRR technique.

-How does your cold calling compare to other lead-generation techniques in terms of conversion rate and return (on time invested)?

Guys can you let me know what else I can use this technique for?

Even if you do not plan on doing wholesaling and flipping, consider learning how they operate and apply those same techniques to your buy and hold acquisitions.

You're going to have to prepare some serious negotiating techniques.  

What techniques (if any) would you guys feel is best in the newyork market?

I know there are probably many types of these systems, which I'm not taking to be a one stop shops or make me rich totally turn key systems, I'm just wondering perhaps from some of the larger mailers and REI investment companies whether a similar technique has been used or whether you built everything? 

A big exception is a technique that Brandon Turner calls "house hacking".

In real estate, all too often what such training involves will be unethical and even illegal techniques.