I would rather leave that up to the banks and the sharks...lucrative or not. 

I wish desire is all someone needs .. but it isnt .. the good news is .. if you have the desire and the discipline then everything you need to know ..from wholesaling , to flipping to tax liens to mobile home investing and mobile home parks and commercial real estate and so on .. is right here on this site .. no need for a mentor .. only a good set of eyes and ears and meybe a typing finger .. there is no need for a class or instructions other than what right here on Bigger Pockets .. the only thing a mentor might give you more of is self confidence .. thats what a lot of newbie's actually lack .. they dont even know it .. but they lack it .. its hard making that leap into the deep end with the sharks .. my suggestion is .. don't tip your toes to feel the warmth of the water , just hold your nose and jump right in .. and if you have a mentor that can teach you how to swim faster and a bit better .. then take it .. learn as much as you can until you feel like there is nothing left fir him to teach you ... then .. learn some more.. because if this guy has been at it for twenty years then he has a lot to teach ..

Then, of course you don't have to wait to get on an agent's schedule to see the property (still just need listing agent's approval of the time slot).I think it's a good idea, in addition to the above, because it keeps you in the RE business.  

Also there are sharks left and right, so I figured it couldn't hurt my chances..

and those hard $ lenders (aka loan sharks) take a big bite out of your profit.if you could've avoided all of those points, you probably would've made $.a lot people here on BP post how they are going to make $ on their upcoming deals; you only know if you made $ after the fact.I like to wait until all the smoke has cleared; until then, I am nervous. :)

Something around 8.5% or so.This is so razor thin you are really doing an appreciation play and that may or may not be wise depending on the local market conditions.

The Antelope Valley was my home for a couple years back in the 90's. Lots

We had to scrape just 5 years of nicotine off the vinyl window frames with a razor blade then scrub with ammonia !!!

First, you're looking at a razor thin margin for positive vs. negative cash flow. $75/door is nice until the market turns against you or you have a prolonged vacancy/ need for rehab of the unit(s).

Do you ever watch The Sharks show on TV?