Shopping at 3M
1. In-Store Pickup - Avoid Shipping Fees from 3M and pickup from a neigh by store. More often than not, most merchants will have dedicated offices within the store will you can pay up and pay no fees.
2. Search For Promo Codes- Regarded as the easiest way to save money online, go to google and search 3M promo code and copy and paste the codes at the checkout page.
3. Patience Pays Off - Take your time and revisit the site a couple hours later; 3M will send you an additional promotion to entice you to complete your order.