AMC Theaters offers a $5 AMC Rewards Credit (5,000 points) for free when you join AMC Stubs Premiere, renew your old membership, or upgrade from Insider. (AMC Stubs Premiere costs $15 to join.) Premiere members receive perks like free size upgrades on concession purchases and increased point accrual. You'll receive your points within 48 hours of purchase, and some exclusions apply. Deal ends July 10.