If you are like me, the onslaught of ‘BUY THIS! SHOP NOW! SPEND MONEY!” emails you receive this year make you want to throw out half the things in your closet and never buy another sweater or garlic press again. But if you are also like me, you have lots of unsold art in your studio that could use a good home, frankly. In short, I’m not sure how to play this one.