Even under the flood of florescent lighting and the pull of store signs, seeing the full cost of college supplies can be tricky. Pens and pencil packs start at $2 or $3, notebooks go for about $8, flashcards roll in for roughly $1 a pack, eraser sets $2, rulers $6, flash drives $5 and up. Then there are the binders, the backpacks, and those high priced textbooks to consider. With all of the piecemeal pricing, it's easy to rack up a bill. To help with expenses, as your college student heads off this year, here are some savvy tips to reduce spending and add value to your purchases.