"Like" S&W on Facebook and print a buy one get one free coupon! Take this coupon to Walmart and get beans for only $0.42! (This coupon is available for select states only.)

Buy 2 S&W Beans, 15 oz $0.84, regular price
Use one B1G1 Free – S&W beans, any – (facebook.com)
Final Price: $0.42 each, when you buy 2