Shipping also covers cost of packaging. If you order 1 pc they need tiny box with some protective wrapping, the different one for 10, 20 pcs. Sometimes some ex

Shipping also covers cost of packaging. If you order 1 pc they need tiny box with some protective wrapping, the different one for 10, 20 pcs. Sometimes some extra filler is needed. Product margin is none to cover such costs unless you buy like 1000s in bulk.