How to get Ayumi Hamasaki concert tickets in Japan

[Shiva]

lemme join the boat
i am planning on going next year as well.right now i'm struggling to find cheap tickets(both plane and concert tickets)........and well,reading the posts on here have made me realize how expensive things will be overall.
i'll need 2000 CDN,easily at least that much.

i still dunno when exactly i'll go because

1.i'm going with some friends of mine,so we'd have to agree on a date.
2.still dunno when ayu will hold concerts either.

so yeah........but i visited that Japan-guide site and browsed it for a little more than an hour to check out the places and hotels.so i have a good idea of what to expect now.

i also dream of going to A-nation aside from an ayu concert ^^