lowes 20 off 100 coupon code. This is a promotional coupon with a unique code for $20 off $100+ IN-STORE Lowe's purchase. EXPIRES 2 DAYS AFTER PURCHASE. This CANNOT be used online. This can only be used on FULL PRICE items (nothing on sale or marked as "New lower price", contractor packs, or other discounts) After order is placed, a file with your coupon code will be emailed to the email address on your paypal account. Simply print out the file or download the file to your phone to scan during self checkout.