Buy a book!
Hey, I'm not trying to be a smarta$$ but if you have to ask this kind of question you should probably buy a reloading handbook of some kind.
I don't see where anyone gave you any bad info but how would you know if they did?
You have a couple of guys offering a different opinion on something here. Which one is right?
You will use a good book for years to come and learn a lot about reloading.
It might even keep you from blowing yourself up or wrecking a nice gun.