Dollar Tree Deal Idea: Buy (1) Bayer Aspirin, 20 count â€“ $1.00 Use (1) $1/1 Bayer Aspirin Product Printable Coupon OR use: (1) $1/1 Bayer Aspirin coupon from (9/14 RedPlum Insert) FREE after coupon!Note: Merchandise carried may vary by stores. Before you head out just be sure your local Dollar Stores carry this item. Dollar Tree stores accept manufactures coupons. Here is the link to the Dollar Tree Coupon Policy. Be sure to print out the policy and bring it with you just in case you have any troubles.