Become Amazon, for one. Walmart already has an unmatchable distribution network, so that's set for them.
Regardless, on the lower end, it's still cheaper to have people get their stuff than delivering it to them.
Bet with PeH:
I win if Arms sells over 700 000 units worldwide by the end of 2017.
Bet with WagnerPaiva:
I win if Emmanuel Macron wins the french presidential election May 7th 2017.