Electrons "surf" in metals. Atoms of metals are arranged equidistant form eachother. The outer shell electrons are delocalized and often move from one nucleus to the other, like surfing

Sale 1

http://backpack.tf/profiles/76561198180769950?time=1449043200&compare=1450436585 Bulk for GE Gonzila

Sale 2

http://www.tf2outpost.com/trade/27499755 Sold for Stormy Carouser's + 5 keys

B/O for Sultan was 16

B/O for Capo was 13

X = 5 + 12*0.9

X = 16

Carouser http://backpack.tf/item/1331354271

Sultan http://backpack.tf/item/1795364991

Trade http://backpack.tf/profiles/76561198140468405?time=1448697600&compare=1448784000

Mini for Capotain

http://backpack.tf/vote/id/5673e760ba8d889538a94a9b 12 keys, using 12

Sale 3

http://backpack.tf/profiles/76561198141019751?time=1448611200&compare=1448524800 Sold for Steaming Hard Counter, Low

Sale 4

http://www.tf2outpost.com/trade/27498071 Sold for KS Aussie Amby

B/O for Sultan was 14

Amby had no trade, presuming offered

X = 16.1*0.9

X = 14

Amby http://backpack.tf/item/3976439165

Sultan http://backpack.tf/item/1795364991

Trade http://backpack.tf/profiles/76561198069268528?time=1448524800&compare=1448611200

Mini for Amby

http://steamcommunity.com/market/listings/440/Strange%20Killstreak%20Australium%20Ambassador Sold for 40.35 on Nov 26th

40.35 + 40.35/1.15 = 75.44

75.44/2 = 37.72

Keys were $2.35 at time of sale

37.72/2.35 = 16.1 keys

Sale 5

http://www.tf2outpost.com/trade/27409469 Sold for 13 keys

X = 13

Keys https://gyazo.com/d9345394f6ca613fb31ff7d69530a1d1 http://backpack.tf/profiles/76561198078247594?time=1447401600&compare=1447833600

Sultan http://backpack.tf/item/1795364991

Sale 6

http://www.tf2outpost.com/trade/27396026 Sold for 14 keys + half a key of sweets

B/O for Sultan was 14

X = 14 + 0.5*0.9

X = 14

Some of the keys http://backpack.tf/profiles/76561198068554539?time=1447142400&compare=1447228800

Sultan http://backpack.tf/item/1795364991

The rest of the keys were used to buy a Stormy Sultan http://backpack.tf/item/1927920248 http://backpack.tf/profiles/76561198042938501?time=1447228800&compare=1447142400