A backpack for $3.50? Is it too good to be true? The Quechua 10-liter hiking pack comes in seven colors and with a 10-year guarantee. The brand is under Decathlon, a French sporting goods retailer that keeps its prices low by designing and producing its own products for 50 different activities. It made it's first U.S. debut last week during a grand opening of a store in San Francisco. We want to know: Would you buy this pack?