Enable Auto Pick and Complete for Pick up Quick Order.
By enable Auto Pick and Complete for Pick up Quick Order, when you create Quick Order and select "Pick Up" as Shipping Method, system will:
Auto Pick items from Primary Bin Location.
Auto mark Quick order order as Complete
Step 1:
Go to Settings > Sales Settings

Step 2:
At Quick Order Settings, enable "Quick Order Pickup Auto Complete", and "Save" setting.

Auto Pick items from Primary Bin Location.
Auto mark Quick order order as Complete
How to Enable Auto Pick and Complete for Pick up Order.
Step 1:
Go to Settings > Sales Settings

Step 2:
At Quick Order Settings, enable "Quick Order Pickup Auto Complete", and "Save" setting.

Updated on: 26/03/2020
Thank you!