HLB wise card does have some minimum requirements to meet in order to earn the 10% cash back, as follows:
"Note
The cash back will be calculated at the end of each calendar month. The cumulated cash back shall be credited monthly to the Principal Cardholder's account on the following calendar month and subject to maximum cash back of RM100 per month. 10% cash back is subject to a minimum of 10 retail transactions monthly (with a minimum of RM50 per transaction) in anything during the calendar month. For each switch of cash back category, a one-time maintenance service fee of RM10 will be charged at the point of maintenance. New category enrolment will be effective on the following calendar month. The Bonus Category of Mobile is not applicable to change."