December 24

• In-flight snacks: 7 AUD
• Suica card recharge: 5000
• Keisei Skyliner ticket: 2400
• Via Inn Akihabara - 4 nights accommodation: 46000
• Konbini (Seikatsu Saika) snacks and drinks: 1001

Total: 54,401 yen and 7 AUD

December 25

• Vie de France: 730
• Vie de France: 305
• Yodobashi Camera - Bmobile Data SIM: 3480
• Osaka Ohsho - Gyoza and beer: 1380
• Family Mart - snacks: 270
• Eva 3.0 movie: 1800
• Family Mart - snacks: 774

Total: 8,739 yen

December 26

• Robot+Robot, Robotics;Notes keychains: 2200
• Cord school uniform shop, Nakano Broadway: 2030

• Nenrinya, one third of a 3-section baumkuchen: 1600

• Manneken, waffles: 471
• Konbini (Seikatsu Saika) drinks: 268
• Konbini (Seikatsu Saika) drinks: 260

Total: 6,829 yen

December 27

• Starbucks: 420

• Volks consignment boxes, Miku figure for Trej: 1380

• Excelsior Cafe: 450

• Good Smile Cafe, Miku figure for Trej: 3900

• Cospatio, Frau wig and cosplay items: 9849
• Iosys, fake Galaxy Note 2: 999
• KFC, 4-piece smart value pack: 1190
• Vending machine drinks: 500
• Arcade games: 600
• Konbini (Seikatsu Saika) drinks: 257
• Coin laundry: 400

Total: 19,945 yen

December 28

• Via Inn extension fee: 4500
• Akky - luggage bags: 3150
• Vie de France - bread: 738
• Uniqlo Ikebukuro - thermal wear: 4060
• Don Quixote - yoga mat: 999
• Konbini (Family Mart) drink: 120
• Coin locker initial payment at Akiba: 500
• Keiyo Drug Tokyo station - bandaids: 399

Total: 14,466 yen

December 29

• Konbini (Sunkus) snacks and drinks and thermals: 1897
• Taxi to Big Sight: 630
• Kantoku - new set: 1000
• Kantoku - new set: 1000 (to be sold off)
• Robotics;Notes set: ???

• Yanzikatu - Wordless Kyosaya book: ???

• Cologero - Pachimonogatari: ???

• Kabocha Yuzu - Inuboku SS illustration collection: 400

• Musashino - Haikyo books: 2000

• Seikei Doujin - art collection set: 1500?

• Konbini (Family Mart) snacks and drinks: 649
• Taxi from Big Sight: 500
• Konbini (7-11) snacks and drinks: 100
• Konbini (Seikatsu Saika) snacks and drinks: 330

Total: 10,006 + ??? yen

December 30

• Melonbooks doujin goods: 6865
  • Muffler: 840
  • Clockwork clearfile: 400
  • Clockwork book: 1365
  • Rose Gun Days OST: 1260
  • Dominated Dancehall: 1500
  • Auxiliary Brightness: 1500
• Konbini (Sunkus) snacks and drinks and umbrella: 1270
• Don Quixote - Hairdryer: 600 (Blitz paid 380)
• Don Quixote - Cosplay seifuku: 2990
• Coin locker top-up at Akiba: 1500
• Konbini (Sunkus) snacks and drinks: 491
• Yanaginagi - lux imperium single: 1500

Total: 15,216 yen

December 31

Comiket

• Sound Ave - Accumulation: 1000

• YTR Records - Brilliantez: 1000

• Technofuyuno - Eva Q book: 500

• Technofuyuno - Glyphponics: 500

• Gewalt - Girls und Panzer book: 735 (pay Ast for this)

• Paraiso Lang - Ikamusume Lambda programming books: 0 (to be reimbursed 2300)
• Hige Driver - Tokyo Soda: 0 (to be reimbursed 1000)
• Technorch - Gabber: 0 (to be reimbursed 1300)
• Technorch - Metamorphosis: 0 (to be reimbursed 1500)
• Blasterhead - Live at Blip Tokyo 2012: 0 (to be reimbursed 1000)

• Active Mover - Kurokami set: 0 (to be reimbursed 3000)

• Necoco - Project Necoco f: 0 (to be reimbursed 2000)

• Ushijima Iiniku - Invaders Must Die: 0 (to be reimbursed 2250)

• Kneehigh ga Suki - Meganekko cosplay ROM: 1500

• John Hathway - Electric Alice collaboration with Teddyloid: 2000

Other

• Konbini (7-11) snacks and drinks: 485
• Subway - Spicy Mexican 6" sub: 390
• UDX building - big dinner at western place: 3100
• Toranoana - doujin books: 7716
• Vending machine in Akiba - Dr Pepper: 150
• Coin locker initial payment at Akiba, shared with Blitz: 100
• Konbini (Sunkus) snacks and drinks: 404

Total: 33,930 yen

Sum total

• xxx,xxx yen == AUD $y,yyy @ zz.z yen/dollar
• yy.yy AUD for costs incurred getting home
• About AUD $1,660 for airfares

Approximately $y,yyy from start to finish.