Tanga offers the Becky Cameron Plush 1800 Series Deep Pocket Sheets in 11 10 colors (Burgundy pictured) for $24.99 with free shipping. Outside of the below mention, that's the lowest total price we could find by $9. They're available in twin to California king sizes.

A close price: iEnjoy via Amazon offers them starting at $25.21 with free shipping.