You wouldn't want to pop a 2% balloon unless you sold the property, but make sure you write it as assumable so you can sell it.  

Depending on your income needs, pulling equity out and lending privately combined with a fulltime or part time job may be another option that doesnt bring as much boom or bust risk as flipping. 

we had a few left in our inventory and they each were sold to a house hacker.. great investment for a house hacker. 

I am confident that I will be able to refinance the remaining seller note principle with private money to allow me to hold off on putting more money in the deal.

Post insolvency, the framework allows an assessment to all private insurers operating in the state to cover the difference which will subsequently pass the costs along to policy holders.

I sold the other Class C while it was vacant - I saw the writing on the wall so decided to cut my losses. 

What price and why have they not sold? 

I have flipped 30 houses, including having 10 projects going simultaneously, one of which sold for $1.8 million.

. $40-$50k out of pocket, HELOC or private money loan for the remaining $20-$30k 

This is in a town that has a very good Private College - Baylor University.