Credit cards and available credit can be tempting, we all know this. How should college students, often new to credit, choose what they charge on credit? Greg Meyer shares some tips on his blog, creditunionguy.blogspot.com. He advises only charging emergency expenses or something that could be considered an asset; necessary car repair or possibly books for school. Most importantly, Greg advises considering how you will pay for the purchase BEFORE charging it. Read these and other tips from Greg here.