Components
- Transport: $1360
- Accommodation: $285
- Food: $275
- Communication: $60
- Entertainment: $60
- Goods: ???
- Shipping stuff home: $80
- GOOOOODDDSSS
Total: $2120 plus whatever we spend on goods.
Transport
- Airfare is $1275.96
- Not buying JR pass
- Expect to spend 750 yen per day, over 10 days - 7500 yen
Call it $1360 for now.
Accommodation
Staying at an Airbnb room in Nakameguro: https://www.airbnb.com.au/rooms/1917112
$563 in total, between two people ($281.50).
Estimate $285
Food
Guessing $25 per day.
Estimate $275 after adding some fudge factor.
Communication
Phone rental and data SIM purchase?
Maybe $60 depending on how we do it.
Entertainment
Mostly arcade games and anything to kill time.
Estimate $60
Goods
- Otaku goods
- Cosplay goods
- Souvenirs and stuff that people requested
- Some may be repaid later
- Skyye wants the AP Wonder Queen bustier JSK in navy or red (26,040 yen), Amanda wants the OP (first priority, 41,790 yen) or Soldier JSK (27,090 yen) in navy or red as well.
Impossible to estimate, assume hundreds of dollars 
Shipping stuff home
Call it $80 for now, may not be necessary at all.
Goods (for Kat)
Im limiting myself to $500 on lolita items, $200 on everything else that is merchandise.