I need to charge up my phone http://yuvututube.fun yuvutu If you have kids in school—K through 12 or college—you don't need anyone to remind you that back-to-school season has arrived. Between those early-season sales and last-minute shopping, there's plenty of potential for trouble in the realm of personal finance—all the more so if you're buying school supplies or clothes on a tight or non-existent budget. After you survive this ritual, there is a veritable conga line of holidays—Halloween, Thanksgiving, Christmas, Hanukkah, Kwanzaa, New Year's, etc.—each jumping up and down, screaming "What about me?!" and presenting financial challenges if you're not exactly flush. A little planning now could make a big difference in what you can spend as 2014 draws nearer. With that in mind, here are seven mistakes you should avoid when doing your back-to-school shopping.