Below, we've listed several PNY USB 3.0 Flash Drives, starting at $14.99. (Some require coupons.) With free shipping on each, that puts them at the lowest total price we could find by at least $1 and as much as $10. The drives:

• PNY 32GB USB 3.0 Flash Drive for $14.99 at TigerDirect and B&H Photo-Video
• PNY 64GB USB 3.0 Flash Drive for $27.19 via code "EMCPGWG66" at Newegg (ends 3/19)
• PNY 128GB USB 3.0 Flash Drive for $48.95 via code "JPV119674" at TigerDirect (ends 3/16)