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
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- 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 “japan”
- Credit cardsAmex Platinum in Japan 2026: a ¥165,000 fee, a ¥100,000 airline credit and the ¥5 million line that keeps itWhat American Express Japan lists for the Platinum Card in October 2026: a ¥165,000 annual fee, an airline credit and an extra hotel night tied to ¥5 million of yearly spending, Centurion Lounges, dining cashback and hotel status. How to count what you would actually use.5 min readIntermediate
- Credit cardsJCB Original Series in 2026: one base rate, a ladder of cards, and what each rung addsJCB's Original Series is a family of cards that share one points programme and climb from free cards to invitation-only ones. What JCB lists in October 2026 for the base rate, partner shops, who can apply, the insurance conditions, lounges and the 60-day fraud protection.5 min readBeginner
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