How to decribe my promotion sale shortly and cleraly and more like american english?

how to decribe my promotion sale shortly and cleraly and more like american english ??
thanks very much

Before choosing the Gift, the customers,PLEASE, read the “Free Gift Policy ” Carefully. If the customers don’t follow the “Free Gift Policy ”, THEY WOULD NOT GET ANY GIFT.
Register, and the total order is Between $0.001-$25, please get a gift from the “$0-$25” section.
Register, and the total order is Between $25.001-$50, please get a gift from the “$0-$25” section or “$25-$50” section.
Register, and the total order is Between $50.001-$75, please get a gift from the “$0-$25” section or “$25-$50” section or “$50-$75” section.
Register, and the total order is Between $75.001-$100, please get a gift from the “$0-$25” section or “$25-$50” section or “$50-$75” section or “$75-100” section.
Register, and the total order is Between $100.001-$150, please get a gift from the “$0-$25” section or “$25-$50” section or “$50-$75” section or “$75-100” section or “$100-150” section.