How grocery stores get shoppers in the door, entice them to spend more

With food prices continuing to rise even as overall inflation has slowed, shoppers could be even more vulnerable to overspending after finding a good deal.

After finding a discounted pre-cooked chicken, you toss a bag of rice and veggies in your shopping cart too, even though neither were on your list.

Oh, and a six-pack of tissue boxes, since you notice they're on sale.

That behaviour plays into a strategy that grocery chains have long relied on to get customers through their doors, even if it means selling a certain popular item below cost, experts say. And with food prices continuing to rise even as overall inflation has slowed, shoppers could be even more vulnerable to overspending after finding a good deal.