I used all the extra supplies from my kids' parties and threw one for myself. It was a fun, inexpensive celebration.

The author threw herself a 'leftovers party.' Courtesy of Jillian Pretzel In my garage is a box of leftover party supplies from my kids' previous birthday parties. I had the idea to use them for my own party, and my friend worried I was selling myself short. As a single mom, I have to make compromises, and the party was a huge success. I keep a box in my garage for all my kids' leftover party supplies. It's where I put the spare princess table covers from my oldest's 4th, the lightly used…