First, does the 403b include an employer match of any kind?

Then match those options to your tenant's options.

I plan to update the vacant unit that I will occupy, so ideally I would keep all of the tenants in place during that process.

The fully furnished, all you need to bring are your clothes and laptop, housing is a perfect match for extended stay academics. 

So far I've only manage to list 23 houses that match these descriptions.

@Sami Gren call a new lender and see if they can match or beat your current rate, they might as interest rates have dropped recently, don't give yourself an artificial deadline to "keep your rate"  It takes as long as it takes to get the results and if they come back with contamination it can be very expensive to clean up.

Jerry, Ideally, you would have your contractor come out with you before you make an offer.

Some of my hobbies include snowboarding, cycling, hiking, reading, and cooking.My job is mostly remote and I've seriously decreased my workload through automation, so I'm looking for something else to do that will give me good hands-on experience in the REI world, and ideally earn some extra $ on the side. 

Ideally, I will be house hacking a duplex or triplex in the Dallas area in three or four years to coincide with my companies move, then turning my Austin home into a rental unit.As a San Diegan I have very limited knowledge of Austin‘s Real Estate market aside from the obvious, a sellers market with a constant influx of individuals such as myself. 

It’s not ideal, but nothing really is in situations like this when there are hundreds of thousands of applicants.I wish you the best Michaela and hope to hear your experience with the process!!