It took a pandemic for me to finally download the app and utilize Walmart curbside pickup. It works pretty slick, but during the crisis a lot of the foods you select have to be substituted because they may be out of stock. 9 out of 10 times, it's not a big deal and the replacement is just fine. However, there are a few brands that if I can't get, I'd rather just go without. Here's a few of them.