Last year, I experienced my first Yankee Swap, and I learned something valuable: Niceness doesn’t win. Niceness won’t get you the wine cooler. It doesn’t get you the six-pack of tomatillo hot sauce or the tropical-flavored margarita mix. But what it will give you is the bird feeder that nobody wants. For gift exchange virgins, this is how it works. The host or hostess asks you to bring a gift for the gift exchange. They’ll suggest an amount to spend, which is often a range, say $15-25, or some set amount. When you arrive at the swap, you pick a…