Because Amazon saves significant money with fewer boxes.
Here are the savings
- Transportation Volume (no matter the vendor)
- Potential trips from warehouse to customer
- Package damage or loss
- Cost of packaging (they can charge their supply chain less OR make more margin if they can decrease this)
Even if Amazon uses their own delivery service.
Importantly, one of the major promotions they offer is delaying your 2 day guaranteed shipping until all items are ready to ship.
Because Amazon saves significant money with fewer boxes.
Here are the savings
- Transportation Volume (no matter the vendor)
- Potential trips from warehouse to customer
- Package damage or loss
- Cost of packaging (they can charge their supply chain less OR make more margin if they can decrease this)
Even if Amazon uses their own delivery service.
Importantly, one of the major promotions they offer is delaying your 2 day guaranteed shipping until all items are ready to ship.