The tools commonly talked about on BP aren't enough to figure that out, so you'll have to get a bit more advanced.  

@Jonathan ChoyceA self-directed Roth IRA can be a great investment tool.

I'd recommend using the networking tools here on BP to find agents in your area that have the experience you are looking to build. 

Essentially, living for free is the goal until I can com up with the down payment for my next one.

You don't have to seek an attorney's professional opinion, but they becomes an essential piece to your team moving forward the larger your portfolio gets.

Make sure you check out all that this site has to offer.If you haven’t been to it already, you might want to check out the BP blog: https://www.biggerpockets.com/blog/The site has quite a few tools that can be helpful for new members.

This is essentially using OPM (Other People's Money) to build wealth over time.Appreciation: Appreciation Over time, real estate properties tend to appreciate, or go up in value, at about the same rate as inflation (3-4%).

If you are looking to invest into real estate, I have found this site to be incredibly helpful.The site has quite a few tools that can be helpful for new members.

The site has quite a few tools that can be helpful for new members.

Money is a tool to create a lifestyle.