You may have noticed there are a lot more signs on intersection corners these days. With the nice weather, comes the spring and summer ritual of garage sales. Garage sales are great for the buyers and the sellers. If you go to them, you might find something useful at a very good price. If you have one, you can make some extra money selling items you no longer need or use. If you have never tried to have one of your own before, here are some of my best tips to have a successful garage sale.