Sale #1: 2.8 buds

http://www.tf2outpost.com/trade/23329362

Sold for a Blizzardy Storm Thirst Blood + 13 keys

Backpack Before: http://backpack.tf/profiles/76561198060179966?time=1414566000

Backpack After: http://backpack.tf/profiles/76561198060179966?time=1414652400

2.1 * 0.9 = 1.89 rounding to 1.9 + 13 keys = 2.8 buds

Outlier Sale #2: 3.8 buds

http://www.tf2outpost.com/trade/23671636

Sold for a Disco Beat Down Honcho’s Headgear

4.25 * 0.9 = 3.825 rounding down to 3.8 buds

Sale #3: 3.1 buds

http://www.tf2outpost.com/trade/23648480

Sold for a Purple Confetti Frenchman’s Beret + 36 keys

14 + 36 = 50 * 0.9 = 45 keys or 3.1 buds

Purple Confetti Frenchman’s Beret Mini: 14 keys

http://www.tf2outpost.com/trade/23821021

Sold for an Australium Force a Nature

16 * 0.9 = 14.4 rounding down to 14 keys