First: To earn points at any of the brands that are in the Bundle app, make sure you are enrolled in their program. To do this, go to Rewards in the app and tap Find More. Scroll through the brands and tap Enrol for all of the brands you would like to join.
Second: Make sure you have a debit or credit card linked to Bundle. You can do this in the Linked Cards section of the app.
Third: Use any of the cards you have linked to buy stuff at the brands you are enrolled in.
That's it! Bundle watches the transactions on your linked bank cards and when the app sees that you have made a purchase, you will receive your points automatically.
One important thing to note is that although points are rewarded automatically, they won't always show up in the app right away. Most bank cards are updated once a day so you will have to wait until the next day to see your points in Bundle. In the rare case of RBC Visa cards, those points can only be updated once a month.