I read through most of the other responses and I would have to agree that you need to have a deal on the table to get other parties involved with your project.

Get yourself and amortization table and make 15yr payment amounts every month and check the box for the additional payments to go towards principal. 

@Jared MontBlanc, Almost everythings on the table for you! 

The only limitations I can think of which will inhibit growth is a dropping water table, and lack of labor force to work in the service industries.  

On single family, you may only need 20% down, although with lending these days and recent changes to Fannie and Freddie it DOES sometimes make more sense to bring more to the table for a lower interest rate (25%).  

My friend Peter Lohmann made this table which contrasts some of the options with a traditional security deposit.

Owned for a total of 90 days from closing table to closing table.

One was basically hotel room, another one I remember was bigger with more or less full kitchen, living room, and dining room table. 

Those are good things to do because you have those good solid facts the bring to the table and have the negotiation with them.

These are all young professionals in their mid 20s to mid late 30s that are high income earners and make for high quality tenants.Rents are at record highs here, I can literally break down the numbers for any of the 5 counties here in NNJ and show how much value add is on the table.