How much is the Dragon Rod in Dragon Quest IX?

Answer 1

after you beat the game, go to stornway, there are new salesmen in the weapons & armor shops

Answer 2

When you get to Dourbridge (pretty early on in the game) give 80 mini medals to the pirate king who lives at the north east in a circus tent thingy

Answer 3

to get a wand you need to buy one from any weapon shop past angel falls

Note: Or you can pick it up from wild monsters that drop them, you can check in your Defeated Monsters Guide.

Answer 4

A Dragon Rod costs 39800 gold, and can be bought from the Stornway weapon shop, after you finish the main quest.