Imagine apartments built into what used to be department stores, (Oh, you’re JC Penny 203? I’m at Sears 106). Get those old arcades up and running. Set up meal stations at the food court. Once people actually live there, stores will start to move back in.
If I’m unable to finish my life in my own home, that doesn’t sound like a terrible option.
This isn’t a too shabby of an idea. It probably won’t be used but a mix of stores and homes in one building sounds great.
The idea of apartments centered around a grocery plaza has been a thing for a while. It’s almost an answer, except it still requires transportation to everything else. Plus the stores tend to be higher prices to support the cost of property and because they can.
Add a metro station, a large parking garage, should work
I’m surprised nobody has mentioned the person who came up with malls WANTED them to be just as you described… Not some shopping centre thing
you have to go all the way down below the dirt to prep a site for residential units. With a toilet, shower, and sink per unit, the density of sewer and water plumbing is much higher than commercial. Fire codes also demand egress points (a.k.a. windows) for every bedroom - hard to do Inside a big box retail space.