A maximum amount of US$3,000 per purchase is qualified to receive SG.
For example, with a store that offers a 100% rate, if you make a $3,500 purchase, you will earn $3,000 worth of SG. With a rate of 200%, if you make a $3,500 purchase, you will earn $6,000 worth of SG.
Please note that the rate differs depending on the store and campaign so please make sure to check the store conditions carefully before making purchases.