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 “rotating categories”
- Credit cardsChase Freedom Flex vs Freedom Unlimited in 2026: two no-fee cards, one points poolCompare the two no-annual-fee Chase cards that earn Ultimate Rewards points: the Flex with 5 percent rotating categories and a new no-foreign-fee claim, and the Unlimited with a flat 1.5 percent. Offers, rules, break-even and how each pairs with a Sapphire.4 min readBeginner
- Credit cardsChase Freedom Flex in 2026: 5 percent on rotating categories, no annual fee, and the activation habit it needsWhat Chase lists for the Freedom Flex in October 2026: 5 percent on up to 1,500 dollars a quarter in categories you activate, 5 percent on Chase Travel, 3 percent on dining and drugstores, and no foreign transaction fee. How many dollars you must put in the categories to beat the Unlimited.4 min readBeginner
- Credit cardsDiscover it Cash Back 2026: 5 percent that rotates, a quarterly cap, and a first-year matchWhat Discover lists for the it Cash Back card in October 2026: 5 percent at different places each quarter once you activate, 1 percent on everything else, and a dollar-for-dollar match of the first year's cash back. How the quarterly cap works out, and why the card is best treated as a first-year card.4 min readBeginner
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