I'm in. I'm going to keep track of stuff I sell and things of that nature as well.
2010 Spending Tab:
$1,063.41
January

Spider-Man: Shattered Dimensions (used) - $12.45

Yakuza 3 (used) - $12.44

Castlevania: Lords of Shadow (used) - $12.44

Dante's Inferno (new) - $5.06

Army of Two: the 40th day (new) - $5.06

Dante's Inferno: Divine Edition (new) (5 copies) - $25.80
Monthly Total: $73.25
February

Demon's Souls (new) - $10.53

Rock Band Metal Track Pack (new) - $5.55

Dead to Rights: Retribution (used) - $8.87

Killzone 2 (new) - $10.99

Dead Rising 2 (used) - $16.55

3D Dot Game Heroes (used) - $16.55

God of War 3 (used) - $16.54
Monthly Total: $85.58
March

Fight Night Round 4 (used) - $10.07

4320 Microsoft Points - $17.54

3200 Microsoft Points - $18.00

Mafia II (new) - $14.99

Fallout 3 (used) - $5.99
Monthly Total: $66.59
April

Enslaved (used) - $11.99

EA MMA (used) - $9.51

The Sly Collection (used) - $5.99
Monthly Total: $27.49
May

Fallout: New Vegas (used) - $7.72

Infamous (new) - $0.00

Super Mario Galaxy (used) - $8.99

L.A. Noire (new) - $0.00

Fable III (used) - $3.44

The Legend of Zelda: Twilight Princess (used) - $0.00

Dead Nation - $0.00

WipEout HD + Fury - $0.00
Monthly Total: $20.07
June

Alice: Madness Returns (new) - $0.00
Monthly Total: $0.00
July

400 Microsoft Points - $4.99

NCAA Football 12 (new) - $0.00

Dead Space 2 (new) - $16.68
Monthly Total: $21.67
August

4000 Microsoft Points - $37.75

12 Months XBOX Live - $0.00

Tiger Woods PGA Tour 12 - $0.00
Monthly Total: $37.75
September

NHL 12 (new) - $0.00

Fable III Instruction Manual - $1.07

Shaun White Snowboarding (used) - $4.75

Deus Ex: Human Revolution (new) - $0.00

Crysis 2 (used) - $6.40

Dead Island (used) - $0.00

Madden 11 (used) - $6.00
Monthly Total: $18.22
October

Crackdown (used) - $4.49
Monthly Total: $4.49
November

Need For Speed: Most Wanted (used) - $9.87

Uncharted 2 (used) - $9.99

F.E.A.R. 3 (used) - $10.41

Saints Row The Third (new) - $25.88
Monthly Total: $56.15
December

Assassin's Creed: Revelations (new) - $31.26

Rayman Origins (new) - $31.25

Earth Defense Force: Insect Armageddon (new) - $10.41

Castlevania: Lords of Shadow (new) - $8.33

WWE '12 (new) - $0.00
Monthly Total: $62.51
TOTAL SPENT: $496.48
-------------------
SOLD
January

Fight Night Round 4 (new) - $15.72

Assassin's Creed: Brotherhood (used) - $29.31

Fallout: New Vegas (used) - $30.28

NCAA Football 11 (used) - $29.26

Borderlands (used) - $11.84

Spider-Man: Shattered Dimensions (used) - $29.32

Prototype (used) - $10.06

Dante's Inferno: Divine Edition (new) - $13.95

Dante's Inferno: Divine Edition (new) - $17.84

Dante's Inferno: Divine Edition (new) - $17.59

Dante's Inferno: Divine Edition (new) - $16.13

Transformers: War for Cybertron (new) - $8.29
Monthly Total: $229.59
February

Dante's Inferno: Divine Edition (new) - $14.97

The Godfather II (new) - $9.59

Rock Band Metal Track Pack (used) - $6.18

The Godfather II (new) - $12.49

The Godfather II (new) - $11.03
Monthly Total: $54.26
April

Mafia II (used) - $15.40
Monthly Total: $15.40
June

L.A. Noire (used) - $36.04

Mass Effect (used) - $15.40
Monthly Total: $51.44
July

Saints Row 2 (used) - $12.00

Batman: Arkham Asylum (used) - $19.29

NHL 11 (used) - $16.86
Monthly Total: $48.15
November

Dead Island (used) - $33.36
Monthly Total: $33.36
December

Batman Arkham City (used) - $31.42

Castlevania: Lords of Shadow (used) - $17.35

Saints Row: The Third (used) - $42.59
Monthly Total: $91.36
TOTAL SOLD: $523.56
-------------------
Net Total:
$27.08