I religiously pick up range brass, anytime I am at the range. I haven't bought pre loaded ammo for years. I load regularly and have hundreds or thousands of empties for the future. The trick is to always pick up range brass, even if its only 10-20 pieces. Works for me. Only brass I ever buy is for calibers that no one leaves brass for at the range, or leaves steel/aluminum cases, like 7.62x39mm Russian, 8x57mm Mauser or .303 British, etc.