Cardpool.com They stole my $150 gift card. Never sent payment for. California

Do not send your gift card to this company. I sent them $150 gift card in exchange for an amazon card at lesser value. They received my card and responded saying I would receive an amazon gift card within 3 days. A week went by I received nothing and thought I could contact them for tracking info, but I found out there is no way to contact them but by email. So I sent them an email my info ect. Another week goes by and I get an email with a robotic response of they can't get to my email at this time but they will within 3 business days. That was a week ago still have not received anything or heard anything. Target buys gift cards in store plz do not use a website were you send them something first they will ripp you off.