We usually spend $40 a week at Aldi. I took the same list to Piggly Wiggly and didn't come close to sticking to my budget.

Aaron of L.A. Photography/Shutterstock

• I took my $40 weekly shopping budget that I usually spend at Aldi to Piggly Wiggly to compare.
• Some products, like frozen veggies and coffee, were similarly priced.
• But others, particularly grapes and chocolate, were much more expensive at Piggly Wiggly.

My fiancée and I are very loyal to our local Aldi for our grocery needs.

It's...