thanks, but they have quite strange limits...so I can trade my 3x$500 cards there

    Max first time buyer limit: $50
    Max Limit after 1 completed transaction: $100 - 1 transaction at a time
    Max Limit after 3 completed transactions: $150 - 1 transaction at a time
    Max Limit after 5 completed transactions: $200 - 2 transaction at a time
    Max Limit after 8 completed transactions: $250 - 2 transaction at a time
    Max Limit after 25 completed transactions: $500 - 3 transaction at a time