I knit hats.
During the past year I knitted a bunch of hats, and sold them at a craft-fair. I sold all but 2 toddler sized hats. I also got a LOT of requests for adult sized 'critter' hats. Most of my requests are for monkeys. And it seems like every time I get one finished, I have another request or two added to the list. At the rate I knit, I'll be lucky to finish my current list of requests before winter is over. It takes anywhere from 3 days to a week to finish a hat, depending on the amount of free-time I have to work on them. And since I've had an invite to two different craft fairs for next fall because of the hats I had at fair earlier this month, I expect I'll be very busy knitting next year.