Awesome on Dutch to step in.
It happens with the shipping. Being in Canada, I can tell you I see all sorts of numbers for the smallest tiniest piece to large hammocks and tarps. Sometimes it is what it is but many times the vendors have been more than willing to work with me and/or simply refund the difference after they have mailed (minus some for time to the PO/gas/and waiting to fill out international forms - it is a pain at times for them :)).