Projected cost of accommodation, airfares and transport is $2620 so far.

Accommodation

• 8th - Toyoko Inn Akiba: 7106 yen
• 9th to 11th - Shibuya Airbnb: $331.00
• 12th - Muu in Mutsu: 6000? yen
• 13th - Toyoko Inn Aomori-eki: 7106 yen
• 14th - 15th - Toyoko Inn Sendai: 11362 yen
• 16th - 17th - ??? Akiba: ? yen

Roughly 43,574yen and $331 AUD in total (guessing)

Airfares

• Jetstar: $1337.00

Transport

• JR pass: $309.00
• Car rental Aomori: 22,995 yen
• Car rental Sendai: 17,325 yen

August 8th Thursday

• Keisei Skyliner ticket: 2400 yen
• Vending machine drinks (acerola drink, Pepsi Nex): 240 yen
• Suica topup: 1000 yen
• B-mobile data SIM: 3480 yen
• Lawson snacks and drinks: 1311 yen
• Toyoko Inn: 7106 yen
• Ramen dinner: 700 yen
• Grape drink: 100 yen

Total: 16,337 yen

August 9th Friday

• Coke Zero vending machine: 120 yen
• Club Sega Shibuya, Maimai and UFO catcher for Senbonzakura Miku: 2500 yen

August 10th Saturday

• Utena material books: 8000 yen (may recoup from Ast)
• 5pb booth, 3x nuigurumi, pins, popster: 11000 yen
• Bic Camera various goods, batteries, camera accessories, etc: XXX AUD (paid on credit card)
• Cold drinks from konbini at Osaki-eki: XXX yen
• Pasela karaoke: 1900 yen
• Akiba arcade Maimai: 200 yen
• Seikatsu Saika snacks and drinks: XXX yen

August 11th Sunday

• Comiket goods for Fish: 4xxx yen?
• Comiket goods for Retro: 4xxx yen?

• FamilyMart @ 17:04, snacks etc: 843 yen

• JR station @ 18:12, Suica recharge: 1000 yen
• Tabgraphics set from Blitz: 1000 yen
• Dinner at izakaya in Ebisu: 3000 yen
• Don Quixote @ 23:40, various things: 4653 yen?
• Chashu ramen at random joint: 700 yen