So I guess my biggest concern now is where and how to buy mortgage notes. 

One of my biggest gripes is trash pickup and the fee for that.

Of course, if you're talking encroachment issues that might be different, but there are solutions to most title issues and some title companies just don't deal in solutions.It sounds like your biggest frustration is with lazy and uninformed real estate agents, which I completely understand.

@Ori Nahum  One of the biggest "mistakes" or road blocks to Real Estate success I see is College students studying a Major that's not lucrative or too crowded and piling up huge student debt that cripples their DTI (debt to income ratio).State Colleges and Scholarships are great!

@Jewel Starling I see you're new here and it might be beneficial for you to search the threads for how to find a mentor.The biggest question you have to answer is "What's in it for the mentor?"

Aside from ignorance, my biggest hurdle would be the equity stake and personal guarantee. 

This is one of my biggest pet peeves.

The biggest cost in a small kitchen is in fabrication.

The biggest difference I've seen between them is design of the controls and noise level, the more you pay the quieter it is.

This is the biggest selling point I can make for him.