About
Hejia Zhang is Editor-in-Chief of ShopBack's editorial team, covering consumer pricing, sale cycles, and retailer comparisons across Australia, Singapore, and the United States.
The reporting draws on ShopBack's internal merchant pricing data across thousands of retailers in the three markets, paired with primary sources: retailers' own sale histories, official promotional pages, and government statistics from the ABS, SingStat, and the BLS.
Areas of focus
Sale-cycle timing. Tracking when sales genuinely cut into margin versus when the markdown is theatre. The recurring annual cycle includes EOFY (June, AU), the Great Singapore Sale (June through August, SG), Singles' Day on November 11 (SG and increasingly AU), Black Friday and Cyber Monday (US, with growing AU and SG participation), Boxing Day (December 26, AU), and the major US weekends around Memorial Day, July 4th, and Labor Day.
Cross-retailer pricing. Same SKU compared across the field. In Australia that means Amazon AU, JB Hi-Fi, Harvey Norman, Officeworks, Big W, Kmart, plus Coles and Woolworths for groceries. In Singapore: Lazada, Shopee, Courts, Best Denki, FairPrice, Cold Storage. In the United States: Amazon, Walmart, Target, Best Buy, Costco.
Category playbooks. Running coverage on sneakers, beauty and skincare, consumer electronics, baby gear, travel, and groceries. Each playbook covers what to pay, when to pay it, and where the resale or open-box market sits twelve months on.
Cashback as a layer. How stacked cashback compares against credit-card rewards, store loyalty programs, and coupon stacking. The rules differ meaningfully across the three markets, so the coverage is written region by region rather than one size fits all.
Editorial standards
Every price reference in a Hejia Zhang article traces back to a primary source. That means the retailer's own site, the official sale page, government statistics from the ABS, SingStat, or the BLS, or ShopBack's internal merchant pricing data. It does not mean coupon aggregators, deal-listing sites, or third-party scrapers, none of which are cited.
For category playbooks (sneakers, beauty, electronics, baby gear), observed prices are checked against the actual in-cart price at the retailer during the article's coverage window, not the advertised banner. Travel and grocery pieces are verified against the booking flow or the basket total. Every number gets a date attached. The date_modified field at the top of each article reflects when those numbers were last re-verified, which happens at minimum every quarter.
Recommendations are conditional. "Best buy" is always stated for a particular reader under particular conditions, with the trade-offs at the top of the piece so readers can self-select. Errors get corrected in-article, with the date and the nature of the change noted at the top.
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.
Get in touch
Tips, corrections, or merchant pricing data I should look at: [email protected]
Corrections are logged in-article with the date and what changed.
Editorial team
Hejia Zhang leads ShopBack's shopping editorial team and writes cross-vertical pieces on sale-cycle timing, cross-retailer pricing and the cashback layer. The other byline on the team:
- Garry Shi, Cashback Expert — ShopBack product expertise covering cashback, the wallet, ShopBack PayLater, stacking, and member features
Hejia Zhang and Garry cover complementary surfaces. Hejia Zhang is the outside-in editor (what to buy, when, where the cashback layer sits in a wider purchase decision); Garry is the inside-out editor (how the ShopBack product itself works once a shopper is using it).
Articles by Hejia Zhang
National Day 2026 Singapore: Which SG61 Promotions Actually Drop Prices
National Day 2026 (SG61) brings a wave of Singapore retailer campaigns dressed as savings. Which categories genuinely drop for Aug 9 and which are old prices.
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8.8 Sale 2026 Singapore: What Actually Goes Cheaper
The 8.8 sale on 8 August 2026 hits Shopee, Lazada and Amazon SG at once. What actually drops in price in Singapore versus what is dressed up as a discount.
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Taobao Shipping to Singapore 2026: Consolidators, Timing, Options
A 2026 breakdown of how to reduce Taobao shipping costs to Singapore. When to use consolidators, how timing affects freight rates, and which shipping methods work best by order type, with SGD pricing and where ShopBack Cashback fits in.
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Lazada vs Shopee vs Amazon Singapore 2026: Sale Winner by Month
Lazada, Shopee and Amazon Singapore compared event by event for 2026: Shopee wins payday and 9.9, Lazada wins 11.11 electronics, Amazon SG wins Black Friday.
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How to Get Discounts on Klook in 2026: Best Promo Codes, Cashback, and When to Book
A practical 2026 guide to getting discounts on Klook, which promo codes still work, how ShopBack Cashback works, and when booking early vs last-minute actually saves money.
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Hawker vs Cooking Singapore 2026: Is Cooking Actually Cheaper?
Hawker meals cost SGD 4.50 to 7 and home cooking SGD 2.50 to 4 per person in Singapore in 2026. For a family of four, cooking saves SGD 400 to 700 a month.
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Groceries in Singapore: FairPrice vs Sheng Siong vs Cold Storage, Where Do You Actually Save?
A monthly grocery basket of S$400 to S$500 costs S$20 to S$60 more at Cold Storage vs FairPrice. Sheng Siong is the cheapest for staples but has limited range. The right strategy isn't loyalty to one store, it's knowing which to use for which category.
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How to Spend Less on Food Delivery in Singapore in 2026: GrabFood, Foodpanda, and What's New
Practical ways to cut food delivery costs in Singapore in 2026, how pandapro and GrabUnlimited compare, which promos actually work, and the most cost-effective approach by order frequency.
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How Much Should a Singapore Family of 4 Budget Monthly in 2026?
A realistic middle-income family of 4 in Singapore spends S$6,500 to S$9,500 per month after CPF contributions, excluding mortgage. Full line-by-line breakdown, where families overspend, and how Cashback offsets the drift.
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How to Get the Cheapest Flights from Singapore in 2026: What's Actually Changed and What Works
A 2026 guide to finding cheap flights from Singapore, which booking tactics still work, how airline pricing has shifted, and where Cashback applies on flight bookings.
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