Almost year-round, visitors come for sports tourneys, outdoor activities, Tuacahn, etc.

If it's working as an LTR and you are cash flowing, I'd be willing to bet that the juice won't be worth the squeeze in converting them to STRs. 

From what you laid out, a bank statement loan might be your best bet.

We are a huge sports town and host tons of sporting events - Indy 500, all our professional teams, NCAA, Big Ten tournaments, etc. 

Lending: You bet.

HELOCs are variable rates and it's highly likely that they'll actually be LOWER in the near future, why not bet on that?

@Dennis Carter IINot an attorney but I do not see why title insurance would cover this as there was no written agreement that was missed it was verbal - there was nothing they missed.Sounds like your best bet is to drill your own well.

If your debt is student loans at 6-8% interest your best bet is to pay them down/off as fast as possible as most investments will achieve a similar result but that is gross (before taxes) not net.  

Stop hanging out with your deadbeat buddies who spend all day drinking, talking sports, and otherwise wasting away.

Betting on appreciation for the recapture of initial funds in this market with a refi may put you negative cash flow.