Just got Walmart Pickup this morning. For the most part, I like it, overall, probably A-. I like that I’d they substitute the National brand for the generic, you get it at the generic price. I don’t totally like it for getting things like produce, though, as it seems I get bananas too ripe for my liking, and they just grab the first ones they see for apples, cukes, etc. Only other thing I don’t like is they’ll have stuff in stock that they’ll mark out of stock, and I won’t get it, but I still tend to be able to use it for 90% of my shopping now, and the rest I can do Lidl or Publix...
I say give it a try. As far as how long it takes, you reserve a time slot, and get an email/text when it’s ready. If it’s the following day or two, you have until 1:45am the morning of pickup to add/change/cancel the order. Like that aspect as well...