It is a business, so run it like one, as @Tom S. said, start the process and follow through.Unfortunately you're in a Blue state so this will be more difficult for you, so yes get a lawyer if they don't respond immediately to your 'pay or quit' notice.Don't take any more partial payments, that will delay your case!

Exterior didn’t need much – sharp new accent color for exterior doors, and other aesthetic enhancements, plus some upgrades on roof flashing and weatherproofing.We discovered that the ground level water intrusion was because a huge crack in a sloping sidewalk next to the building was funneling all the stormwater right over the sill, into the onsite-manager’s unit.

Sun and bluebird skies of summer, the vibrant colors of fall, and the cozy snow drifts and fireplaces of winter. 

You are moving into a very gray area if you are borrowing money from more than 1 family member and it's not for a specific deal as you should need to file an exemption from the SEC.

Paint 1 coat of the same color over the walls.

This, our third rental, we plan to do the BRRR method with as we have the other two that are now owned by fortunate new owners over in my other market of Blue Ridge GA.

Family groups were the main segment of demand in the area so we added a PS5, next level colorful beach chairs, Nintendo switch, hammocks on the deck, re-staged, retook the photos and increased revenue to $67k in a year that RevPars had decreased for the market   Woah Zach !

Lots of gray area around that 

The numbers look OK, but I am worried about tenant protection laws in this blue state.

It's a bit of a gray area, so it's important to clarify how your activities are structured and reported.