I really love Vistaprint and I love even more that they offer free items! Right now, you can grab 140 Free Address Return Labels from Vistaprint.
I actually took advantage of this when it was offered in December. They turned out adorable! I was actually able to create little caricatures of everyone in my family. They were perfect to put on my neighbor gifts!
For me, shipping on the address labels was $3.27. When you are getting 140 Return address labels for Free, that is a SWEET price!