Orders are usually editable or cancellable until they have been pushed to the warehouse floor.

In the Orders section of your Amplifier account, click into the Order detail for any given order.  If the selected Order is cancellable, you will see these two options at the top right.

Proceed to click the appropriate action.  If there is a problem cancelling or editing the order, you should be notified via email that it was not affected.  

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