I am sending in the flat rate boxes also. Most of the time I add homemade jams and jellies to my boxes so the weight can get up there and with the flat rate I dont have to worry about busting my budget.
For anyone looking, I was looking through Joannes sale items today online and they are having some amazing sale prices for scissors, books, patterns, and other goodies. I only made it through the first 10 pages and all of those items were under 9 bucks. I found a book on Biscuit quilts and a set of 60 quilt labels on their I would love to add to my list if it wasnt already out there in cyber world somewhere.