Cards Made Simple cites primary sources for every specific claim. This page lists all sources used across the site with verification dates.
| Source | Claim | Type | Verified |
|---|---|---|---|
| Chase.com — Sapphire Preferred product page | Chase Sapphire Preferred earns 3x on dining and 2x on travel... | primary | 2026-06-01 |
| Chase.com — Sapphire Preferred product page | Chase Sapphire Preferred annual fee is $95... | primary | 2026-06-01 |
| AmericanExpress.com — Gold Card product page | Amex Gold earns 4x Membership Rewards on US dining... | primary | 2026-06-01 |
| AmericanExpress.com — Gold Card product page | Amex Gold annual fee is $325... | primary | 2026-06-01 |
| Experian Consumer Credit Review 2025 | Average US credit score is approximately 714... | secondary | 2026-01-01 |
| Bankrate — Current credit card interest rates | Average credit card interest rate in the US... | secondary | 2026-06-01 |
| myFICO.com — What's in Your Credit Score | Credit utilization accounts for 30% of FICO score... | secondary | 2026-01-01 |
| myFICO.com — What's in Your Credit Score | Payment history accounts for 35% of FICO score... | secondary | 2026-01-01 |
| CFPB — Consumer Credit Card Market Report | Credit card market size and consumer data... | government | 2025-10-01 |
| Capital One — Venture X product page | Capital One Venture X has a $300 annual travel credit... | primary | 2026-06-01 |