Wiki
Plain-language guides to points, cards, credit, banking, eSIM and travel
Short, sourced explainers you can read in a few minutes. Each one names where its facts come from and when we last checked them.
98 guides across 8 topics
Browse by topic
- Rewards basicsHow rewards, interest and statements actually work.6 guides
- Credit cardsSign-up bonuses, annual fees, issuer rules and the fine print.39 guides
- Points & milesAirline, hotel and bank points: how they are earned, valued and kept.8 guides
- Credit & your rightsScores, reports, freezes, disputes and the laws behind them.12 guides
- Banking & paymentsAccounts, IBANs, cross-border transfers and virtual cards.10 guides
- eSIM & connectivityStaying online abroad without surprise bills.7 guides
- TravelPaying, insuring and moving across borders.10 guides
- SecurityDisputes, scams and keeping your accounts safe.6 guides
Guides labeled “mastercard”
- Credit cardsApple Card in 2026: no fees, Daily Cash, and why the physical card earns halfWhat Apple lists for the Apple Card in October 2026: no annual, foreign transaction, late or over-the-limit fees, 3 percent Daily Cash at Apple and select merchants, 2 percent with Apple Pay and 1 percent otherwise. How Daily Cash works, what Savings adds, and who should pick another card.4 min readBeginner
- Credit cardsHSBC Red in Hong Kong 2026: 8 percent on a short list, 4 percent online, and the monthly caps that decide itWhat HSBC Hong Kong lists for the Red credit card in October 2026: 8 percent RewardCash at designated merchants up to HK$1,250 a month, 4 percent online up to HK$10,000, a permanent annual fee waiver, and 0.4 percent beyond the caps. How the caps change the real rate, and who should use it.4 min readBeginner
- Credit cardsHang Seng MMPOWER in Hong Kong 2026: up to 8 percent online, a HK$3,000 monthly gate and a HK$500 capWhat Hang Seng lists for the MMPOWER World Mastercard in October 2026: up to 8 percent +FUN Dollars at designated merchants and on online entertainment and fashion, 5 percent online and 4 percent abroad, with registration, a HK$3,000 monthly spending gate and a HK$500 monthly cap on the extra reward.5 min readBeginner
- Credit cardsICBC WeChat card in 2026: a UnionPay card for home, a Mastercard for abroad, and no conversion feesHow ICBC's WeChat credit card works as a pair in October 2026: a UnionPay card for spending in China and a Mastercard that holds ten foreign currencies for travel, with no currency conversion fee. The fee waiver, the grace rules and the interest wording to read before you apply.4 min readBeginner
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