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I searched and didn’t see this posted.
Kmart has $ 3 back in SYW points with any cooler purchase promo through 7/30/16.
Points are rolling. (You can pay with points but must pay at least 1 cent OOP.)
Points expire in 90 days.

A couple examples of the lower priced coolers:

Coleman 1 Gallon Jug with Handle [kmart.com] $ 8.09 + $ 3 back in points
Free store pick-up or Free shipping on orders over $ 30