All you need to do is sign up as a new customer, make a minimum deposit, and then place an initial wager of at least $5. Your Bonus Bets can be claimed without using a promo code. How to Earn a DraftKings MI Sportsbook Promo Code This can range from 10% (Silver tier) to as high as 40% (Onyx tier). For example, reach the second tier, and you'll get a monthly boost towards the number of credits you earn by playing.
When you reach a new tier, you are rewarded. The rewards program gives you credits as you advance through tiers based on your activity level.