having 4 credit cards
Four Zero‑Fee Cards Starting With 4: A Counter‑Intuitive Blueprint for 2026 Rewards
Direct answer: To squeeze the most cash back in 2026, you should own four zero-annual-fee credit cards whose numbers begin with the digit 4. In practice, the “four-card formula” lets you layer flat-rate, rotating-category, and balance-transfer benefits without paying a single dollar in fees. I have tested this structure with