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: 4500 yen
• 13th - Toyoko Inn Aomori-eki: 7106 yen
• 14th - 15th - Toyoko Inn Sendai: 11362 yen
• 16th - 17th - Via Inn Akiba: 17600 yen

Roughly 47,774yen 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
• Car rental Tokyo Nissan: 29,000 yen (dovac will pay some)

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

• FamilyMart @ 19:37, drink: 135 yen

• Club Sega Shibuya, Maimai and UFO catcher for Senbonzakura Miku: 2500 yen
• Lawson @ 23:36, snacks and drinks: 650 yen

August 10th Saturday

• Lawson @ 13:31, cold drink: 137 yen
• Newdays @ 14:05, cold drinks: 1461 yen
• Utena material books: 8000 yen (may recoup from Ast)
• 5pb booth, 3x nuigurumi, pins, popster: 11000 yen
• JR station @ 17:17, Suica recharge: 2000 yen
• Bic Camera @ 19:02, various goods, batteries, camera accessories, etc: XXX AUD (paid on credit card, 22780 yen)
• Pasela karaoke: 1900 yen
• Akiba arcade Maimai: 200 yen
• Seikatsu Saika @ 24:05, snacks and drinks: XXX yen

August 11th Sunday

• Comiket goods for Fish: 4xxx yen?
• Comiket goods for Retro: 4xxx yen?
• Pepsi Nex from west hall: 120 yen
• Street performer on the plaza: 1000 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

August 12th Monday

• Coke on shinkansen: 130 yen
• Lunch on shinkansen, sandwiches and juice: 650 yen
• Aomori-eki, vending machine coke: 120 yen
• Toyota car rental Aomori (18559 yen, on credit card): ??? AUD
• Lawson, snacks: 667 yen

• B&B Muu: 4500 yen

• Mutsu grand hotel onsen: 500 yen
• Coffee milk: 110 yen
• Sukiya, oomori gyudon: 380 yen

August 13th Tuesday

• Lawson in Mutsu, drinks and sandwiches: 449 yen
• Toyoko Inn Aomori-eki: 7106 yen
• Toyoko Inn Aomori car parking: 500 yen
• Vending machine royal milk tea: 120 yen

August 14th Wednesday

• NEXCO Expressway towards Towada-ko: 850 yen
• Apple omiyage: 2860 yen
• NEXCO Expressway back to Aomori: 2250 yen
• Mantan (full tank) for rental car (35.96L @ 159yen/L): 5717 yen
• Snacks at train station(?): 770 yen
• Eki-ben (hitode): 900 yen
• Toyoko Inn Sendai-eki higashiguchi 1: 11362 yen
• Toranoana Sendai, rare doujins: 4590 yen
• Saizeriya Sendai, dinner: 636 yen
• Game Centre at Bivi: 500 yen

August 15th Thursday

• 7-11, drinks and snacks: 720 yen
• Toyota car rental Sendai (17325 yen, on credit card): ??? AUD
• NEXCO Expressway towards Minamisoma: 650 yen
• 7-11 out near Odaka, drinks and snacks: 357 yen
• NEXCO Expressway back to Sendai: 600 yen
• Rikyu, gyutan dumplings, steak and beer: 2362 yen
• Familymart, drinks and snacks: 293 yen
• Dydo vending machines in the middle of nowhere: 200 yen
• Toyoko Inn Sendai car parking: 500 yen

August 16th Friday

• ZA GYOZA: 420 yen
• Rental car damage and mantan (21543 yen, on credit card): ??? AUD
• Kohi-Kan, croque monsieur and sumibi coffee: 750 yen
• Game Centre at Bivi: 100 yen
• Drinks at Sendai-eki: 355 yen