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 “travel cards”
- Credit cardsWhich US credit cards are worth getting in 2026? Picks by how you spendA spending-first guide to the US cards worth a place in your wallet in 2026: the flat 2% floor, the no-fee upgrades, six premium travel cards, and the one calculation that decides whether an annual fee pays for itself.6 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
Start with the one thing you keep forgetting.
Add a card, a subscription or a points balance. RewardVane turns it into dates you can act on.