@OnlyOwl For order related issues, please create a ticket on our helpdesk at onion.freshdesk.com

As for your order, it doesn't look like you were overcharged.

You ordered the following:
Omega2+ $9
Power Dock $15

The shipping charge, as indicated on your screenshot, is $6.84
So, $9 + $15 + $6.84 = $30.84
Then the $9 you pledged via Indiegogo was subtracted: $30.84 - $9 = $21.84