Best to cut your living expenses to the bone and figure a way to generate some income other than those funds.

You found a home that is less than renting and if you want to ever move you will have an income generating property!  

If your don't know how to solve the problems that Brian mentioned, don't list them.If you don't own real estate yet, don't represent that you're an investor.If you've never purchased and wholesaled a property, don't state that you're a wholesaler.If you are still figuring out what you're going to do, consider yourself a "lead generator " aka bird dog.

Does anyone have any "statistics" (doesn't have to be audited) on the call rate and quality generated from 1st, 2nd, 3rd, etc. mailings to the same list?

I've just started working on my physical lead generation by driving for dollars.  

What criteria do you use to generate the target audience (eg. on FB, I can select homeowners in Florida over age 35)Any tips related to this strategy welcomed

Generator?

The key is to payoff the balance before your next statement is generated ( not by the statement's due date which most people do). 

Nick,Success is generated when you create a team of reliable people.

If your goal is financial independence (having enough income generating assets that produce enough cash flow each year so that you can afford to live the way you want without having to work), then must first accumulate the income producing assets.