Back-to-school checklist: Whiter teeth & tattoos NEW YORK (CNNMoney.com) -- Shopping for back-to-school "basics" used to mean T-shirts, jeans, socks and some notebooks. This year, parents added a few other things with one item that really stands out: tattoos. About 45% of parents polled say that hair highlights, teeth whitening, even tattoos are among the items they will buy their kids to go back to school, according to a new American Express Spending & Saving Tracker survey. The survey tracks parents' school-related spending intentions. Haircuts led the list of services that mom and dad are treating junior to before the...