Off-topic, but I don't think Whole Foods really qualifies as a "yuppie chain" anymore. I feel like they've successfully transitioned to a full-blown grocery store for people who want to live an organic lifestyle, which is no longer a small-market trend.
I don't think it has anything to do with size really, it's more about the variety of people who shop there. I don't shop there often, but the times I have, I have noticed the people shopping there weren't exactly representative of the general population.
events / ticketing websites need this feature. I'm forever frustrated with events where allocated seating is the only method of ticket purchase and you're needing to organise and balance payments.
Since it looks like InstaCart people are posting ITT, what are your plans to spread this business model into other cities. Is it viable in a place like Atlanta, GA where residential areas are less-concentrated?
Best of luck with this, I just don't see how it can scale successfully. And what did you need those millions in funding for? To pay the delivery wages which you can never make back?