We have twin girls on the way and would like to start something we can pass down to them in the future while supplementing our income along the way.  

Fundamentally, there are more important factors to consider, and the fact that a place is a "buyer's" or "seller's" market ought to be a supplement to an investment decision, rather than the overarching point of contention.But anyway, I'm doing out-of-state investing for right now because I don't really have nearly enough capital to do investments here.PS GO BEARS!

So we're actually doing this to supplement our income.

A Supplemental may be possible to take you up to 75% LTV if it's been at least a year since the closing date of the last loan.  

My goal is to buy and hold rental property to supplement my income and have a better retirement in about five years.

You are supplementing with your own funds because you are living in and not renting the other side.

Listened to a podcast for agents and BPO's was one of the take away points I got out of it for supplemental income.Sure it's not big money but $50 a pop is handy for the gas. 

Currently working my full time job as a City Firefighter looking to supplement my income as I work toward retirement.

Will be retiring soon and want to acquire more properties to supplement income upon retirement. 

It is a great way to supplement the income along the way, as when I decided to be a stay-at-home Mom instead of wearing combat boots every day.