That's fewer individuals than active players on NFL rosters.

I joke that he's the unofficial Mayor of Springfield based on all of the social and charitable activities that he does there.

Also, my brokerage has a handful of investor clients that actively run MTRs and STRs in the area. 

This doesn't necessarily mean just an investor, but somebody who active works in the space and puts in at least 700 hours of work into it per year. 

A broker shall not be responsible for supervising, nor shall the licensee be responsible for operating, within the scope of the brokerage or within the requirements of this chapter, activities that would be considered property management, including leasing, maintenance, and repair, so long as the real estate being managed is "individually owned" or "entity-owned" as defined below:(1) "individually owned" real estate is real property in which the licensee holds an ownership interest; and(2) "entity-owned" real estate is real property owned by a corporation, limited liability company, partnership, or trust, within which entity the licensee holds an ownership interest as an owner, trustee, partner, or officer, or in another beneficiary capacity.

If you have no desire to actively pursue other investments where you make more than a 2.8% return, then by all means pay it off faster.TYFYS and best of luck!

But choosing a head not to be on one or two may turn out to be the one that gives you activity

There are likely active real estate investing groups for Tacoma and the surrounding area.

Income from leveraged real estate or active business income.

Are you still active?