Walmart offers the Sylvania Premium Anodized Aluminum 4GB MP3 Player in four colors (Black pictured), model no. SMP4016, for $8 plus $2.97 for shipping. (Free Site-to-Store is also available.) That's the lowest total price we could find by $9. Sales tax is added where applicable. It features a built-in clip, USB connectivity, earbuds, and more.