Reward Credits subject to Caesars Rewards Rules. Referred customer must (1) be new to Caesars, (2) be eligible to create new account, and (3) make $50+ deposit and cumulatively bet $50+ within 90 days of sign-up. Must be 21 or older and physically present in AZ, CO, IL, IN, IA, KS, LA, MD, ME, MI, NJ, NY, OH, PA, TN, VA, WV, or WY. You can ultimately refer up to 10 people, meaning that there is a maximum referral bonus of $1,000 available.