Shopping at 3M
1. Never Pay For Shipping - Paying for shipping is for amateur shoppers. Check for 3M’s free shipping coupon codes, which usually require a minimum purchase amount.
2. Use Social Media - Comb through Facebook and twitter for last minute 3M coupons. Jump on last minute daily sales where you can use promo codes to save up to 25% on your order.
3. Gift Card Stores - Purchase a discounted gift card from such sites as Carpool.com, where you can score a valid gift card at a fraction of its value. Then take the gift over to 3M to score additional savings of up to 20%.
4. More Promo Codes - Do a quick google search for 3M coupon codes to secure a valid coupon code for additional savings up to 20% off. Promo codes usually offer the easiest all around savings.
5. Stackable Coupons - Check for 3M stackable coupons, which means you can use multiple coupons on one order. For example, a free shipping coupon and a site wide 10% off coupon can offer the best savings.