Dragon Ball Z: Budokai 3 Cheats

At 99%, it's quite annoying to wait hours for a last capsule. You can improve the odds by buying everything that appears for the kind of capsule your last capsule belongs to (ability/equipment/item). When having 9 of a capsule, it won't appear in the shop anymore until every capsule in that kind has 9 as well, therefore improving the odds for the remaining capsule to appear! It works for rare specials (>10000 zenie) as well!

Here's how this works, take any character (I did this with Gohan), start DU mode, enter a battle, fight it, and that battle should give you at least one level. Then, quit out of DU mode WITHOUT SAVING, I repeat, DO NOT SAVE your game. Start DU mode again with the same character, and if you notice, you'll have the same level you had when you quit, but are back at the same starting point!