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Amazon [amazon.com] has 3-Count 42-Oz Glad GladWare Tall Entrée Food Storage Containers for $ 2.80. Shipping is free w/ Prime or $ 35+.
Walmart price $ 8.58
Amazon $ 8.18-20%= $ 6.54
Make sure to clip the coupon. Seems to only work one as I bought 2 and only got discount on 1. Still good deal. I belive the coupon works on other chocolate as well.