Aside from the bonus your users may get when their downlines upgrade to a higher level (which we expect that all Shop owners would have set in the CUSTOMER LEVEL on admin menu), your users can earn bonuses when their downlines buy airtime or data products. You can set this bonus by inserting  decimal figures in the REFERRAL PERCENTAGE has shown in this image above. Your users will get bonus when their downlines buy airtime and data. Ensure you activate this for only AIRTIME & DATA