He Opened 11 Credit Cards to Chase Travel Points. Here’s What Happened to His Credit Score.

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The travel hacking forums make it look elegant. Open a new card, hit the minimum spend, collect 60,000 or 80,000 bonus miles, downgrade or cancel the card before the annual fee hits, repeat. The math, on paper, is hard to argue with: if a 60,000-mile bonus gets you a business class ticket to Europe worth $3,000, and you spent $4,000 to earn it, you’ve essentially bought a $3,000 ticket for $4,000. That’s a bad deal presented as a spectacular one.

But some people do make it work — and the gap between those who do and those who end up like our subject, “Marcus” (composited from multiple churning horror stories shared publicly in credit card forums), is mostly about what they understood about bank behavior and credit mechanics that the entry-level forum posts don’t explain.

Marcus’s story is the cautionary version. Here it is in detail.

The Churning Dream and How It Actually Works

Credit card “churning” refers to the practice of repeatedly opening new credit card accounts primarily to earn signup bonuses, then closing or downgrading those cards and opening new ones. At its best:

• A single Chase Sapphire Preferred signup bonus (typically 60,000–80,000 points) can be redeemed through the Chase travel portal or transferred to airline partners for flights worth $750–$1,500 depending on how you redeem.
• An American Express Platinum card signup bonus (often 100,000–150,000 Membership Rewards points) can transfer to Delta, Air France, or Avianca for business class awards that retail at $4,000–$8,000.
• Doing this across multiple cards, multiple issuers, and multiple years in a controlled way can generate $5,000–$15,000 in annual travel value for disciplined practitioners.

The practitioners who do this well are meticulous: they use spreadsheets to track application dates, minimum spend deadlines, annual fee dates, and issuer-specific rules. They understand which banks are most likely to flag suspicious patterns. They keep their average account age healthy. They stay well under credit utilization thresholds.

Marcus did not start with that infrastructure.

What Went Wrong: The 11-Card, 14-Month Spiral

Marcus found r/churning in the fall of 2022, read the sidebar, and felt confident he understood the system. He opened his first card (Chase Sapphire Preferred), hit the minimum spend, and got his bonus. It worked perfectly. He then accelerated.

Over 14 months:

• He opened 11 credit cards across 6 issuers (Chase, Amex, Citi, Barclays, Bank of America, Capital One).
• He applied for 3 cards in a single week at one point, after reading that applying in a “batch” minimized individual hard inquiries.
• He met minimum spends by prepaying bills, buying Visa gift cards (a practice known as “manufactured spending”), and putting large purchases on cards that generated the most points per dollar.
• He carried a balance on two cards for two months when cash flow got tight — both at 24.99% APR.

The carrying of balances was the first serious error. Interest accrued negated the point value on both cards. But it wasn’t the catastrophic mistake. The catastrophic mistake was the pattern his activity generated across bank risk systems.

When Banks Close Your Accounts Without Warning

In October 2023, Marcus received three letters in the same week.

Chase closed two of his four Chase cards due to “account activity inconsistent with normal consumer use.” This is Chase’s language for detecting manufactured spending or suspected gaming of rewards programs. Both accounts were closed effective immediately.

Amex sent a “financial review” notice — a formal process in which Amex requests bank statements, tax returns, and income verification within 30 days, or your accounts are closed. Marcus’s income had not changed, but the volume of transactions he was running through his Amex cards — particularly the high-volume gift card purchases — had flagged a review.

Citi quietly closed one card “due to inactivity” — a card Marcus had gotten a bonus from and then stopped using, which is exactly what you’re not supposed to do.

• When Chase closed his accounts: he lost access to 140,000 Ultimate Rewards points that had not yet been redeemed. Those points were forfeit — Chase’s terms allow them to close accounts and void unredeemed points for terms violations.
• When accounts close involuntarily: the available credit drops, which increases credit utilization on remaining cards, which immediately impacts credit score.
• The Amex financial review froze his ability to use his Amex cards for 30 days while under review, during which time he had charges hitting a frozen card.

The Points That Vanished and the Points That Didn’t

The 140,000 Chase points were gone. No appeal process, no partial redemption — the terms are explicit and the accounts were flagged for gaming.

The points that survived:

• Amex Membership Rewards: survived the financial review once income was verified. These can also be transferred to airline programs before account closure as a protective measure.
• Airline miles (United MileagePlus, Delta SkyMiles): already transferred from bank programs into airline accounts, so they were protected. Airline mile accounts are separate from bank accounts.
• Citi ThankYou Points: partially survived. The closed card’s accumulated points were forfeited; points on a remaining Citi card were retained.

The lesson the churning community draws from this is consistent: transfer points to airline/hotel partners frequently. Points sitting in bank programs are at risk when accounts close. Points transferred to Delta or United or Hyatt are in your airline account and cannot be reclaimed by the bank.

What the Credit Score Damage Actually Looks Like

Marcus’s credit score was 748 before he started churning. At the low point following the account closures:

• Score dropped to 608 — a 140-point decline.
• Drivers of the drop: sudden increase in credit utilization (total available credit decreased sharply when multiple accounts closed), multiple hard inquiries still recent in history, average account age plummeted after new accounts averaged down older ones.
• Two months later, after paying balances to zero on remaining cards, score recovered to 671 — still 77 points below where he started.
• Full recovery took approximately 18 months — the point at which the hard inquiry cluster aged off and average account age recovered somewhat.

During those 18 months: he was denied for a mortgage pre-approval (he was trying to buy a home), paid a higher rate on a car loan, and was unable to open additional credit accounts. The travel points he kept were worth approximately $2,200 in redemptions. The cost of the higher interest rate on the car loan over 48 months exceeded that figure.

The Version of This Strategy That Doesn’t Blow Up

The guardrails that disciplined churners actually follow:

• 2/3/4 rules and cooling-off periods: Chase’s informal “5/24” rule (won’t approve you for most cards if you’ve opened 5 or more cards in 24 months) is widely known, but each issuer has its own velocity sensitivity. The community maintains updated guides on these — Doctor of Credit (doctorofcredit.com) is the authoritative source. Read it before you apply.
• No manufactured spending until you understand the risks: Buying gift cards to meet minimum spend is the single most common flag that triggers account reviews. Until you understand which spend is risky and why, meet minimums through organic spending only.
• Never carry a balance: The interest on a carried balance erases the point value in weeks. This is non-negotiable.
• Transfer points to loyalty programs regularly: Don’t let value accumulate in bank programs. Move it to airline or hotel programs where it’s yours even if the bank acts.
• Keep old accounts open: Closing old accounts hurts average account age. Downgrade to a no-annual-fee version rather than canceling.
• Don’t churn if you have a major credit application coming: Mortgage, car loan, apartment rental — any situation where your credit score matters. Stop all new applications 12 months before.

Done correctly, with these guardrails in place, credit card rewards are a real and significant travel benefit. Done without them, you’re Marcus.