Click this link to activate the "Extra 10% off + Free Shipping".

Then add the sheet to cart here:
400TC Single-Ply 100% Cotton Sheet Set

Keep in mind they're offering $20 off instant discount when added to cart. My final price was $26.99 Free Shipping, No Tax (except MA, NC, and KY)

Deals also work with 500TC Woven Stripe Cotton Single Ply Set at $31.49