I've done pretty good on COMC - I only started selling at the end of November.
November $87.80
December $2,212.98
January $4,444.08
February $508.01
General Account Info
Items in Inventory 3,770
Total Book Value $29,686.75
Items w/o Book Price 164
Total Asking Price $25,807.75
Items w/o Asking Price 0
Items Not for Sale 1
Items Ready to Ship 1
Total Sales $7,252.49
Items Sold 2,513
Items Purchased 49
Items Added to the Site 6,288