Per brickseek, many stores around my area have this well-reviewed sprinkler for $9. One store "close" (30 miles away) to me has it for $5.
SKU 106678073. http://brickseek.com/walmart-inve…=1066780
Per 3xCamel, the lowest ever on Amazon was $7.87 almost 5 years ago. It’s currently on Amazon for $18.76.
https://www.walmart.com/ip/Melnor…/106678073