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.
72 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.13 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 “chase”
- Credit cardsChase Sapphire Preferred vs Reserve in 2026: which annual fee is worth payingA 95-dollar card and a 795-dollar card earn the same Chase points. Compare the 2026 earning rates, credits, redemption ceilings and lounge access, see how much of the Reserve's fee you can realistically use, and decide which card, if either, fits you.3 min readIntermediate
- Credit cardsUS card application rules: Chase 5/24, Citi 8/65, Amex once-per-lifetime and the restEach US issuer limits how fast you can apply and when you can earn a sign-up bonus again. A plain-English table of the rules in force in 2026, how to count against them, and the order of operations they imply.3 min readIntermediate
- TravelUS cards with no foreign transaction fee in 2026, and the ones that still charge itA foreign transaction fee of about 3% can erase a card's whole reward. This guide sorts the popular US cards into 'no fee' and 'fee' using 2026 reviews, shows the maths, and lists what to check before you pay abroad.3 min readBeginner
- Credit cardsWhy issuers close card accounts, and what to do when yours is shutClosures range from one card shut to a whole banking relationship ended. This guide explains the patterns reported before shutdowns, your right to a written reason, and a step-by-step plan for the first 30 days.3 min readIntermediate
- Points & milesHotel credit cards and the free-night test: World of Hyatt and Wyndham Earner worked throughA hotel card's headline multiplier hides what a point is worth. This guide converts 4x, 5x and 3x into real percentages, shows when a $95 free night pays for itself, and lists the expiry and application rules that catch people out.3 min readIntermediate
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