Go to a local range and ask the Range Safety Officer if you can take some fired brass out of their container - if so, fill your bag, sort them at home and trade the ones you have no use for for bullets.
I think your biggest challenge will be finding primers.
Good luck, enjoy the reloading and FOLLOW THE RECIPES in the load manuals and don't substitute components... and yes, it is normal to be nervous when shooting your first own loads - but if you still have all your fingers after that, you'll be hooked