You can get free or cheap Black Flag products at Walmart with the following coupons:
Black Flag Fly Swatter or Fly Paper $0.98
Use $1/1 printable coupons
As low as free after coupon
Black Flag Fly Stick $1.97
Use $1/1 printable coupons
Pay as low as 97¢ after coupon
Thanks I Heart The MArt!