Checklist #14 · Credit
Credit Card Usage Optimization
Build disciplined credit card habits, maximize rewards on your actual spending, and eliminate the interest traps that turn a good tool into a debt spiral.
24 action items~15 min to complete4 sections
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Audit Your Current Cards
0/4 completed
List all credit cards: issuer, APR, annual fee, credit limit, and current balanceKey
Calculate whether each card's annual fee is justified by rewards earned
Identify any cards not used in 12+ months and decide to close or activateAction
Note the APR on every card — do not carry balances on high-APR cardsWatch out
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$1,000+
Annual rewards value for optimized card users on $5K/month spend
21.5%
Average credit card APR — carrying even $1,000 costs $215/year in interest
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Maximize Rewards on Your Spending
0/5 completed
Identify your top 3 monthly spending categoriesKey
Match each spending category to the highest-rewards card
Choose between cash back vs. travel rewards based on your actual travel habits
Set a reminder to use your annual travel card credits (lounge, hotel, travel credit)Action
Never choose a spending category you wouldn't otherwise purchase just to earn rewardsWatch out
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Establish the Rules That Matter
0/5 completed
Set up autopay for the FULL statement balance on every card — never the minimumKey
Treat your credit card as a debit card — only charge what's already in your accountKey
Check credit card app weekly to catch unauthorized charges and overspending early
Freeze cards (literally or in-app) during high-spending periods if you lose control
Never cash advance on a credit card — everWatch out
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Optimize for Credit Score Impact
0/5 completed
Keep total utilization below 30% — ideally below 10%
Spread spending across cards to keep per-card utilization low
Request credit limit increases annually on cards you've managed well
Do not close old cards — age of accounts matters for credit scoringWatch out
Add authorized users (family members) strategically to build their credit