On some items, you'll see some tags as shown below:

The definition of these tags:

An item with this tag means it qualifies for free shipping via standard delivery excluding remote locations since the order is above $49.  

The product no longer qualifies if a coupon or promotion is applied which lowers the subtotal under $49. Also, free delivery does not apply to reseller accounts.

An item with this tag is made by the Original Equipment Manufacturer under its own name and branding. OEM products take on the warranty of the manufacturer and not of the vendor.  

Coupons do not apply to OEM products.

An item with this tag means it is sold at a low profit margin.  

Coupons do not apply to low profit products.

An item with this tag means it's offered for purchase at a reduced price, normally for a limited period. 

Coupons do not apply to on sale products.

An item with this tag means it's a final sale items or discontinued items at extremely discounted prices. All items tagged CLEARANCE may not be returned or exchanged as all purchases are final on clearance items. 

Coupons do not apply to clearance products.

Holiday Items May Not Be Returned Nor Refunded After Their Respective Holiday, this Includes Unopened Items (Holidays Include Valentine’s Day, Saint-Patrick’s Day, Easter, Canada Day, Thanksgiving, Halloween, Christmas).