uve got to win 7 times in a row to win like 3 points but other than that i don't know
you can't
The best would be the "Battle Factory" with 5 Bp
That's easy. You battle For BP. Battle Points short for BP. You can trade BP for a lot of stuff. By Kha111
The Choice Band can be bought from a vendor on Pokemon Platinum in the Battle Frontier for 48 BP. To get BP simply take part in the various special battle arenas within the Frontier.
You can buy it at the Battle Frontier for 48 BP.
The Battle Factory
the one which is right ahead
on rout 228 -.- Bp
you can get candys at the battle front for bp or use an action replay
You can find them in various places, or at the Battle Frontier in exchange for 42 BP.
BPs are earned at the battle frontier, for winning a certain number of consecutive battles at each event.
LOOK! the only way to battle a frontier brain is to beat the challenge and get bp 5 times!