I used Instacart through the pandemic until vaccines were available. I knew about the markups, but couldn't easily figure them out. -That's not the problem I have with Instacart.
The big problem is their ability to leverage a discount from the store, which is even harder to figure out (outside of hearsay). -This makes it far more difficult for personal shoppers to compete on their own, or for customers to acquire a quality personal shopper they can rely on for a competitive rate.