Counter suggestion, sorry vince, but your higher end is rather high now that so many sales occured under 3 buds while your suggestion was still up.

bought for a g.fetti hoodie (2.1):

http://www.tf2outpost.com/trade/17838087

bought for 2 buds 4 keys (2.2):

http://i.imgur.com/pv4WlAF.jpg

http://i.imgur.com/xXUC4L8.jpg

bought for 2 buds 3 keys 4.33 ref (2.2):

http://i.imgur.com/v8lPSrY.jpg

http://i.imgur.com/sqMlMK4.jpg

sold for 2.5 buds:

http://www.tf2outpost.com/trade/16118976

Sold for 1 bud + 6 keys + s.loose cannon (3 keys) + gold botkiller scatter mk.1 (5 keys) + bills (6) + bmoc (11) ~ 2.5 buds:

http://www.tf2outpost.com/trade/17667918

Sold for 41 keys (2.1):

http://www.tf2outpost.com/trade/17667672

Sold for 2 buds (outlier):

http://www.tf2outpost.com/trade/17579530

Both sold for 3.2 buds:

http://bazaar.tf/trade/323925#post-983303 60 keys (3.2ish at the time, buds were ~18 keys) // http://puu.sh/6Dt0X.png

http://backpack.tf/id/76561198071042558?time=1385971200

http://backpack.tf/id/76561198071042558?time=1385884800

nuts shaman + 16 keys ~3.2

With 2 trades on outpost have a b/o of 2.5 and many more at 3, I don't think both 3.2 sales should be accounted for. Very easy to get one for below 3 buds.