But there are plenty of folks who live close to Philly and rarely/never travel into the city.  

Because travel nurses are typically on three month contracts, there are only four tenants per year; much less data to keep track of vs.

I'd message the sponsor and tell them you'll be traveling to the area and it'd be nice to get a brief tour to see progress.

I speak to the estate planning attorney on Wed (I have another property in Philadelphia in my name that needs to be sorted as I'm currently exposed liability wise and another internationally also in my name that I am about to start STR) so I want to read up before that meeting.Thanks!

You may find that travelers to your area are turning to expensive or substandard options for their housing needs.

I'm a 35 year old professional that travels a lot for work, but still actively wants to invest in RE. 

Thinking that this was mostly unique to my city, I have traveled to a few areas where I have seen this same idea and heard from other travelers their same stories.

It seems money can travel much further outside of our area.3.)

As far as I can tell, travel nurses are in high demand in that area and I was thinking of trying renting to them first.

This year we've used 1 of our furnished rentals for my wife's clients who travel into town for weekend intensives.