I currently use a large bank, but they tend to frown away from lending on investment properties under 1 million dollars.  

The best way to handle such  a large volume of outgoing phone calls would be to hire a VA (or multiple) that specializes in real estate.

Repeat until you've wrapped up your first deal and there you go you have the base knowledge to keep repeating the process and adding to your knowledge along the way.

The only way I see to cash flow is to put down a large deposit. 

I just haven't done anything, in large part because my life has been through a bit of turmoil. 

The types of wholesalers that send out 50,000+ letters/month. The owner can't possibly take that many calls and run that many comps, view all those houses and make offers.This is not the kind of work you can outsource...

It can be tough to find a large quantity of notes of high quality that yield 15%, but 12% is pretty realistic.

Asking price..850,000GR.....75,600...No vacancy added 10% for vacancy....75600-7560=68,040Expenses...26,879.15...not showing management....Insurance......Gas 
Took 50% of adjusted gross income 
Which equaled..34,020 The cap rate with the price of 850,000 and NOI of 48,721 = 5.7%.

They are very informative, and contain ample information on investing in real estate.

Aboutevery six months I have a vacancy at which time I run an ad in Craigslistand hold an open house.