That is absolutely wrong, chomsky! Remember? We were discussing philosophy and linguistics, and so I know that you are a really enthusiastic guy. So, your disappointment is a transient feeling.
And for certain:
dancing is one of those things you can get for free!
I am an absolute autodidact because for years I got no money for classes. And finally I became a good dancer anyway. I learned completely on the dance floor simply by doing. All those experienced girls once had been my teacher. I frequently used to ask for a feed back and also asked dancers how to lead this or that stuff. Of course I could not afford the entrance fee to those parties, so I tried to sneake and sidle into the venues, and drank tap water for years. (Today I pay it back, of course).
Dancing costs no money, my friend.