You walk into your grocery store, shopping list ready, confident you've clipped every coupon and memorized every weekly ad.

We may receive a commission on purchases made from links. When we put together our ultimate guide to prepping for Thanksgiving, we recommend that you begin planning at least two (or more) weeks prior.

According to shoppers, your best bets among mainstream grocers are Walmart, Aldi, Lidl, Grocery Outlet, WinCo, and Trader Joe ...