Fitness Devices guaranteed waste of money!

Discovery incentivizes their clients to buy fitness devices by means of granting up to 25 % discount if purchased at Dischem/Clicks. Their incentive is twofold: 1. Earn Vitality Points 2. If weekly goals are met, save on gym subscriptions. To understand what I need to do to achieve these 2 incentives, I downloaded this document: [URL Removed]<br> At the top of page 3 under \Please note"they clearly mention that you earn points based on heart rate data if the device can measure it. Since the biggest amount of Vitality Points are awarded based on heart rate"