For its Staples Rewards members only, Staples retail stores offer the SanDisk 4GB Cruzer Blade USB 2.0 Flash Drive, model no. SDCZ50-004G-B35, for $6.99. (Not a Staples Rewards member? Click here to sign up.) Redeem this printable coupon to get 100% back in Staples Rewards, which can be used on most future Staples purchases. Assuming you use the credit, that's the lowest total price we could find by $8 and the best deal we've ever seen for a 4GB USB flash drive. Sales tax is added where applicable. Coupon expires October 8.