Every credit card application results in a hard inquiry that temporarily lowers your score. Applying at the wrong time — when your utilization is high or you've recently opened other accounts — can mean rejection and a score hit with nothing to show for it.

Apply when these conditions align:

• Utilization under 10%. This is reported to bureaus mid-cycle, so pay down balances a few days before your statement closes.
• No other applications in the last 6 months. Multiple recent inquiries signal desperation to lenders.
• Stable income. Many issuers ask for annual income on the application.
• Clean recent payment history. No late payments in the last 12 months.

Chase automatically rejects applicants who have opened 5 or more credit cards (from any issuer) in the past 24 months. This is the most well-known issuer restriction, but others exist:

• Amex — Once-per-lifetime signup bonus rule per card.
• Citi — 48-month rule: no bonus if you've had the same card in 48 months.
• Capital One — Generally limits you to 2 of their cards.

Credit card issuers sometimes increase signup bonuses during competitive periods (Q4 holiday season, early Q1). While you shouldn't time your application solely on bonuses, it's worth checking if a card you're interested in has a historically elevated offer.