Drowning app and behind. Pokecenters and survival area behind pokecenter
trade with a friend, and have the friend's Pokemon hold a rare candy.
You can buy them for bp at the Battle Frontier
you can use a gameshark or cloning cheats to get lots of rare candies
clone pokemons with rare candy's on it and u have lots of candy
By giving it lots of rare candy.
http://www.serebii.net/platinum/items.shtml and look up rare candy {by the way its rare candy not rare candy barb1 of the mall i think
Depends on How many you want. Lots and Lots, You'll need an AR (Action Replay) If you want a couple, you can find them in caves and such. You Can't Buy rare candies in the store no matter how far in the game you are!
You can't buy Rare Candy.
Yes there is rare candy in pearl
you find rare candy in the random pokeballs
theres no rare candy in nimbasa city
well if you don't want the bad egg or the rare candy then release the egg with the rare candy or if you want to keep the rare candy take the rare candy away from the egg and release the egg (i don't think you can get a bad egg but if you get one follow this answer