> not really... batching a bunch of orders and delivering them out of a van is about as efficient as last mile logistics can get. It's definitely more efficien

> not really... batching a bunch of orders and delivering them out of a van is about as efficient as last mile logistics can get. It's definitely more efficient than driving yourself, but it's also hiring out your driving to someone else, which counts against someone being able to "walk everywhere" because it requires you to assume that the person can make up any shortcomings in their location with mail order. Point is, you can't realistically walk everywhere in most places.