>>49947510I only keep standard Pokéballs with me. They’re cheap enough that I can keep several with me at any point in the game.
At first I always make sure I have at least 25 in my bag. Then after a badge or two I bump up that number to 75 Pokéballs at all time.
I currently am in possession of 999 Pokéballs and am not afraid to carelessly throw them around.