in trophy garden on route 212
in etrena forest
if you want to get lots of money well,do the Pokemon league
in heart gold cerulean cave in platinum i don't know
Youtube, or you could also search an ad
try your best to find spirtomb in Pokemon platinum
Darkrai
Steelix
Some people will argue with me but i think the best place to train is at the Pokemon lugue you can battle them over and over again
look around twinleaf, and by that i mean look in the patches of grass
There are various good places to train flying types in Pokemon Platinum. A good thing to do would be to use the vs seeker.
route 205 for Pokemon diamond, pearl and platinum. the trainers have Pokemon from level 10 to level 17
6 bidoof