Offer valid on U.S. continental ground shipping to one location only (not applicable in Hawaii, Alaska, Canada, Puerto Rico, or international shipping). Project must be paid in full for applicable shipping discount to be applied. This offer is non-transferrable or redeemable for cash and cannot be combined with any other offer or discount. Not applicable for Bulk orders. Maximum free shipping discount is limited to $300. Offer valid on online orders with Economy shipping only. Limit one time use per customer.