Walmart offers two Centon 32GB DataStick Pro USB 2.0 Flash Drives, model no. DSP32GB-001, for $30. Choose free Site-to-Store pickup to avoid the $3.94 shipping charge. At $0.47/GB ($15 per drive), that's a buck under our June mention and the lowest total price we could find by $4. Sales tax is added where applicable. They feature aluminum housings, plug covers, and more.