Yes. Rare Candies level up your Pokemon.
Pokemon Indigo is a good website to play on. You can easily get almost any Pokemon at any level and items as well. http://www.pokemonindigo.com/
Any time, at low level?
In Pokemon White and Black, Cubchoo will evolve into Beartic at level 37. You do not need to trade or use any items to evolve this Pokemon.
u don't need any items all u need are good strong Pokemon u should have at least a level 60 palkia on your team with a level 70 or so starter
ur not able to clone items in any Pokemon rpg games; only Pokemon
I don't know which level it evolves exactly, but I've got a Kriketune at level 11, if that's any help.
Golbat will only evolve when it has max friendship with its trainer it actually can evolve at any level once it becomes a Golbat it just needs to have max friendship to do that you will need to give it items, train it while it holds a soothe bell, heal it often with items and not the pokemon center.
you can't delet key items in any Pokemon games.
It could be any level. Depending on the Pokemon your using with the highest level.
You can't help her, she's just there as an example of disobedient Pokemon. (Pokemon become disobedient if you've leveled them too high before getting the badge that allows Pokemon to obey that certain level (i.e. cascade badge grants obedience from any Pokemon up to level 30))
Yes, you can breed Pokemon of any level.
You can't find any level 100 Pokemon in any Pokemon games without hacking.