Maybe selling is the best option stop the bleeding and do something that is more risk adverse. 

BK to understand the risks of investing in a fund that craters..

I understand why carriers associate Condo/PUD construction with greater liability risk (I am sure being based in Philadelphia, a jury friendly city doesn't help either) but curious which carriers others are finding to price coverage without this exclusion and also price the coverage competitively.This also serves as a reminder to review the coverage when you hire a GC for more substantial or unique construction assignments. 

I’ve been looking into Vintory's CRM since it’s specifically designed for the STR industry, but I’m also considering HubSpot for broader capabilities (and because it's free for up to 2 users).

You are already succeeding by living for free, which will increase what you can save for the next investment.1-2 years later, buy another one and turn the first property into a pure rental.

Underpriced, underperforming, value add, 20 units, cash flow potential, low risk How did you find this deal and how did you negotiate it?

If it is someone you know you can give them a straight return as if its a loan - can provide a lower interest rate to provide upside - it really depends on the lender and what are they concerned with and what is their risk profile. 

Not worth the hassle/risk to claim.

You are effectively operating a hotel, which is a business enterprise with very different risks and hazards to insure.  

Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.