About
Garry Shi is ShopBack's Cashback Expert, the in-house product specialist on how cashback, the wallet, ShopBack PayLater and linked-card programs work across Australia, Singapore and the United States.
The guides are verified inside the ShopBack iOS app, the Android app and the Chrome extension at the version current on the date of writing. They also draw on ShopBack's own product documentation and Garry's daily contact with the cashback teams across the three markets, rather than the idealised flow on the marketing pages.
Areas of focus
Cashback in practice. The full path from clicking through ShopBack to a tracked purchase, how long different merchants take to confirm, what happens when an order is partially refunded, and how to read the dashboard so a missing transaction does not become a missed transaction. Coverage includes online cashback through the website and app, in-store cashback through linked cards, and cashback through partner integrations.
Wallet and withdrawals. How the cashback wallet works once a transaction is confirmed, how withdrawal thresholds and methods differ by market (PayNow, bank transfer, gift cards), and how to time withdrawals against major upcoming purchases instead of leaving the balance idle.
ShopBack PayLater and member features. When PayLater makes sense, how to set up the schedule, where the interest-free terms beat a card charge and where they do not. Coverage of the member tiers, referral programs, ShopBack Pay and the linked-card programs as they roll out across the markets.
Stacking and timing. How ShopBack stacks with credit-card rewards, retailer loyalty programs, sign-up offers and promo codes. What overrides what, what voids what, and how to sequence the click-through and the discount code so neither gets dropped. Practical, not theoretical.
Editorial standards
Every product behaviour described in a Garry guide is verified inside the app or the browser extension before publication, not described from a marketing page. Where regional differences matter (PayNow versus bank transfer for withdrawals, country-specific PayLater terms, linked-card programs only available in one market), the differences are spelled out market by market rather than glossed.
Screenshots reflect the current app version at the time of writing. Every guide gets a date attached. The date_modified field at the top reflects when the flow was last re-walked end to end, which happens at minimum every quarter and ahead of every major app release that touches the behaviour described. When a product change invalidates older guidance, the affected guide is updated and the change is noted at the top.
Garry's guides do not cover the support cases that belong on support.shopback.com (missing cashback recovery, account-recovery flows, payout investigations). For those issues the article points the reader to support directly rather than walking through an internal process. The blog covers how to use the product well; support covers when something has gone wrong.
ShopBack receives a commission when readers complete a purchase through a cashback link. This commission does not vary by editorial coverage, and merchants cannot pay for inclusion, ranking or favourable language. Where a merchant pays a notably higher commission than its peers on a comparable product, the conflict is disclosed inline. Editorial picks are not sold.
Editorial team
Garry is the Guides Editor at ShopBack, working alongside:
- Jia, Editor-in-Chief — cross-vertical sale-cycle, cross-retailer pricing and cashback-layer coverage on the external shopping side
Jia and Garry cover complementary surfaces: Jia is the outside-in editor (what to buy, when to buy it, where the cashback layer sits inside a wider purchase decision); Garry is the inside-out editor (how the ShopBack product itself works once a shopper is using it).
Get in touch
Tips, corrections, or product behaviour the guides desk should look at: [email protected]
Corrections are logged in-article with the date and what changed.
Articles by Garry Shi
Does Emirates Have a Student Discount for Singaporeans in 2026?
At the time of writing, Emirates' Singapore website does not list a student fare or student discount among its special offers. Singapore students can still pay less with the Best Price guarantee, free 24-hour Hold My Fare, the right fare type for baggage, Skywards family pooling, and by going through ShopBack Singapore before booking on emirates.com.
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What Is the Cheapest Way to Buy From Under Armour in Singapore?
The cheapest way to buy Under Armour in Singapore in 2026: time the big sale dates, use Under Armour's own promo codes, buy on the website, and go through ShopBack first.
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What Is the Cheapest Way to Buy From Taobao in Singapore in 2026?
The cheapest way to buy from Taobao in Singapore in 2026 is to order directly in the Taobao app, compare the delivered total with shipping and 9% GST, use the Taobao vouchers you have claimed, plan big orders for 11.11, and go through ShopBack Singapore before you check out on every order.
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What Is the Cheapest Way to Buy Love, Bonito in Singapore in 2026?
Pay less at Love, Bonito Singapore: shop the 11.11 sale, use LBCommunity points and welcome offers, clear the S$60 delivery line, then go through ShopBack.
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What Is the Cheapest Way to Buy From JD Sports in Singapore in 2026?
The cheapest way to buy from JD Sports in Singapore in 2026: shop the Sale section, let automatic promotions apply, use one discount code if you have one, take the free delivery with no minimum spend, and go through ShopBack before you check out.
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What Is the Cheapest Way to Buy From iShopChangi in Singapore in 2026?
The cheapest way to buy from iShopChangi in Singapore in 2026: use iShopChangi's tax-free and tax-absorbed pricing, earn and spend free Changi Rewards points, and start from ShopBack before you check out.
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What Is the Cheapest Way to Buy From iHerb in Singapore in 2026?
The cheapest way to buy from iHerb in Singapore in 2026 is to order at least SG$30 for free shipping, use any iHerb discount you like, and go through ShopBack Singapore before you pay on every order. iHerb says 9% GST is already in its prices, Subscribe and Save takes up to 10% off repeat orders and new email subscribers get 25% off a first order.
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What Is the Cheapest Way to Buy from Farfetch in Singapore in 2026?
The cheapest way to buy from Farfetch in Singapore in 2026: compare sellers on the same item, plan for 9% GST on imports, use Farfetch's own membership and sale alerts, consider pre-owned, and go through ShopBack Singapore before you check out on the Farfetch website.
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What Is the Cheapest Way to Buy From Amazon in Singapore in 2026?
The cheapest way to buy from Amazon in Singapore in 2026: pick the right Prime plan (S$4.99 a month or S$49.90 a year), shop Amazon's official deals, and start from ShopBack before you check out.
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What Is the Cheapest Way to Buy From AliExpress in Singapore in 2026?
The cheapest way to buy from AliExpress in Singapore in 2026 is to compare the delivered price including GST, buy during AliExpress's big sale campaigns, use any AliExpress coupon that lowers your total, and go through ShopBack Singapore before you pay on every order, then confirm delivery in the app.
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