Inventory is costly.
If you don’t have the back-end support you need, you’ll want to keep inventory on hand. It’s part of doing business. It’s your risk mitigation.
But if you do have the support you need, then inventory just becomes a burden. It’s also costly. You could have millions of dollars tied up in inventory that isn’t producing revenue for you.
What if you have multiple APUs in stock? Worse, what if you have more than you need?