Bed Bath & Beyond cuts up to 50% offclearance items. (Prices are as marked.) Shipping starts at $5.99, or get free shipping on orders of $49 or more. (In-store pickup may also be available.) A couple of best bets:
The Comfort Zone via Amazon offers the Nestl Bedding Double Brushed Microfiber Bed Sheet Set in 14 colors (Navy Blue pictured) for $39.99. Coupon code "NESTL50F" cuts it to $19.99. With free shipping, that's $16 under the lowest total price we could find for a similar set elsewhere. It's available in twin, full, queen, or king sizes and includes one flat sheet, one fitted sheet, and one/two pillowcases (depending on size).
Sears offers the Zigfield 5-Piece King or Queen Comforter Set in Blue for $37.99. Opt for in-store pickup to dodge the $5.75 shipping fee. That's the lowest price we could find by $61. This set includes a reversible comforter, two shams, and two pillows.
Tanga offers the Rosie Damask 4-Piece Twin Sheet Set in six colors for $13.99 plus $4.99 for shipping. That's the lowest total price we could find by $17. Each set contains a fitted sheet, flat sheet, and two pillow cases.
Of note: It's also available in Full size for $14.99, Queen size for $15.99, and King size for $16.99.
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.
Amazon offers the HiEnd Accents Oak Camo 7-Piece Queen Comforter Set for $123.23 with free shipping. That's the lowest total price we could find by $4, although most stores charge around $150. It includes a comforter, bed skirt, two pillow shams, two accent pillows, and a bolster.