Does anyone have any data points for Canon for what might get a ship to home order cancelled? Seems to be that 5 items is the magic number on getting orders thru. Recently had an order for 8 cancelled, but was then able to get 5 of this item ordered successfully the next day. I also ordered 5 of an item within a few days of a prior order shipping (of this same item), with cancelled. Have not tired 10 at once, but seems two 5's of the same item that close together will get cancelled. Just curious if anyone has additional insight. They are tough to drop ship from, so my example is shipping to myself at home. Only have 4 total orders in the past few months with them.