Buying a lot for my wow guild, trade your keys with confidence knowing you won't get scammed. I don't go first, but look at my past transactions:
3/26/2014, 5:00:44 PM Received 200.00 (44,126.50 -> 44,326.50) from MoXeR (228,145.00 -> 227,945.00) 1 pack HS
12/8/2013, 7:33:39 PM Sent -350.00 (4,234.00 -> 3,884.00) to smp211 (380.00 -> 730.00) hs key
12/8/2013, 3:40:31 PM Sent -400.00 (4,634.00 -> 4,234.00) to spankey
(2,920.00 -> 3,320.00) hs key
12/6/2013, 4:10:30 PM Sent -300.00 (5,434.00 -> 5,134.00) to rocoman (1,400.00 -> 1,700.00) hs key
12/6/2013, 4:08:27 PM Sent -300.00 (5,734.00 -> 5,434.00) to Gerudo (1,145.09 -> 1,445.09) hs key beta
12/22/2013, 6:10:44 PM Received 200.00 (6,658.19 -> 6,858.19) from Duex (3,415.00 -> 3,215.00) last key
12/22/2013, 6:00:21 PM Received 200.00 (6,458.19 -> 6,658.19) from SharronPeters
(955.00 -> 755.00) HS Beta Key
12/22/2013, 5:41:00 PM Received 200.00 (6,258.19 -> 6,458.19) from LaughIV (200.22 -> 0.21) HS BETA
11/14/2013, 2:31:17 AM Received 500.00 (21,313.00 -> 21,813.00) from ohohseven (1,000.00 -> 500.00) Hearthstone Key
11/14/2013, 2:59:51 AM Received 500.00 (21,813.00 -> 22,313.00) from TRYNITY (550.00 -> 50.00) beta key
HS = Hearthstone
Paying 70fg firm for each guest pass