All while playing sports, band and other things like FFA and 4H.

(I have another kind of old car too, and husband has newer sports car.

Now if you could get a loan for the credit card amount at a lower interest rate then ya, but getting more debt on a gamble to maybe save 100-200/month to pay off your insane interest rate CC doesn't seem like something i could ever do.Granted everyone has their own situation and not any situation is the same but based off what you have said soo far, even paying your credit down now, you are not sure how long your single income is going to last for so you will probably be using that Credit card and accumulating more debt.

I've been doing it for 11 years so she's at least a good enough sport not leave me. 

From your self description, it sounds like you enjoy eyeball-to-eyeball interactions with people and understand that marketing is a contact sport.

I am a graduate of Baylor and spend several weekends a tear there for sporting events and visiting friends.  

Logistics, Auto, Healthcare, Tech, Transportation, State and local govt, Tourism, Music, Sports, etc.  

Your first step, listening to something educational instead of sports or music was a good call, make that a habit.Laser focus on that credit card debt. 

Convention) or sporting events (Quail Hollow PGA Event is walking distance).

It doesn't sound to me like you have another property on the radar so why sell - and lose a good tenant, good return, and trigger capital gains for sport.