Using a hard money loan is another option that you could use to leverage into another deal faster.

You'll be able to close much faster, save money on closing costs, and not run the risk of the bank getting cold feet.

Once I acquire enough homes I am looking to implement the debt snowball plan to pay them down faster.

The 50% rule is probably conservative except for the lowest of rent locations (i.e. the areas that historically appreciate no faster than inflation) so is possible a bit conservative for your RE. 

Being younger is great--you're going to be more creative, your brain is already set for learning, you'll pick up things faster, and you have way more time and opportunity to make mistakes (which are kind of inevitable in REI).What kind of engineering?

This lets you pay it down faster.

And as you diversify we do to and make the day go faster and interesting.

The combination of lower rates – especially compared to last spring – and moderating home-price growth improves buyers' purchasing power and will hopefully translate to a somewhat faster pace of home sales than previously expected. ”

My point was as part analyzing his situation that he should understand how much more cash flow he would have because of the house hack versus rent  and that he could apply that to paying the loan off faster and thus being back to whole in his 401k and have a personal residence   

I guess I'm trying to figure out if this will really propel my life to new levels faster than I can get there myself.