Pick the right card, then get the most out of it
Card guides, side-by-side comparisons, and tools for travel, everyday, and business credit cards — with current offers, real annual-fee math, and the application rules that decide approval.
Amex Perks Guide
Platinum, Gold, and Blue Cash Preferred — credits, lounge access, and which ones pay for themselves.
Read the guide →Chase Sapphire Guide
Sapphire Preferred vs. Reserve, with the credits, transfer partners, and protections that matter.
Read the guide →Citi Perks Guide
Citi Strata Premier and Citi Double Cash, from everyday earning to hotel credits.
Read the guide →Capital One Perks Guide
Venture and Venture X, including the recent changes to lounge access.
Read the guide →Business Cards Guide
Chase Ink, Amex Business Platinum and Gold, and Delta Gold Business, with a sole-proprietor focus.
Read the guide →Marriott Bonvoy Guide
Chase Boundless, the Amex business card, and how to stack them for free nights.
Read the guide →- Amex Platinum vs. Amex GoldWhich one actually pays for itself
- Amex Platinum vs. Morgan Stanley vs. Schwab PlatinumSame $895 card, three ways to cash out your points
- Chase Sapphire Preferred vs. Reserve$95 vs. $795: who should pay for the upgrade
- Citi Strata Premier vs. Capital One Venture XTwo travel cards, very different fee levels
- Capital One Venture vs. Venture XIs the extra $300 worth it
- Amex Business Platinum vs. Chase InkA premium travel card versus everyday business cards
- Best Business Cards for Sign-Up Bonus ROIBonus minus fee, per $1,000 of required spend
- Business Card Application Rules by IssuerChase 5/24, Amex 2/90, Capital One 1/6 and more
Looking for engineering interview guides instead? Head to Interview Prep. Card terms and welcome offers change often — confirm current details with the issuer before applying. Some links on this site are Sunny’s personal referral links.