"Not mine" letters don't work.
Here's what does.

If you've Googled "how to fix my credit," you've seen the templates: a generic letter that says "I dispute this account, it is not mine, please remove it." You send it to all three bureaus, wait, and... nothing happens. Or worse, the item comes back "verified" and stays.

There's a reason those letters fail. Here's how disputing actually works — and why factual disputing under the Fair Credit Reporting Act (FCRA) gets real results.

The problem with "not mine"

Bureaus and creditors see thousands of these generic "not mine" letters a day. They're flagged instantly as template disputes, and the system is built to verify and dismiss them fast. A letter that says "this isn't mine" with no supporting detail gives the bureau nothing to actually investigate.

What factual disputing actually is

Under the FCRA, you have the legal right to dispute any item on your report you believe is inaccurate, incomplete, or unverifiable. The bureau then has 30 days to reinvestigate. If the creditor can't verify the item — or doesn't respond in time — the bureau must remove it.

The key word is factual. A strong dispute cites the specific error, the specific account, and the specific reason it's wrong. It references the exact FCRA section that applies. It gives the bureau a real, narrow question to investigate instead of a vague "remove this."

Where the FCRA gives you leverage

• Section 611 — your right to dispute, and the bureau's 30-day reinvestigation deadline.
• Section 623 — your right to dispute directly with the furnisher (the creditor), not just the bureau.
• Section 605 — the 7-year limit on how long negative items can stay.
• Section 609 — your right to see what's in your file and who's been looking at it.

When a dispute cites the right section, the bureau can't just rubber-stamp it "verified." They have to actually go back to the creditor and ask for proof.

Different items, different strategies

Not every negative item should be disputed the same way. A real credit repair plan matches the strategy to the item:

• Factual dispute — for inaccuracies (wrong dates, wrong balances, wrong account status).
• Goodwill letter — for accurate but isolated late payments with an otherwise clean history. You ask the creditor, as a favor, to remove it.
• Debt validation — for collections: you ask the collector to prove they legally own the debt and the amount is correct. If they can't, they can't report it.
• Pay-for-delete — a negotiated agreement to pay in exchange for the item being removed (works sometimes, not always).

A "not mine" letter tries to make something disappear. Factual disputing forces the system to prove it belongs there in the first place.

You can do this yourself

Nothing about credit repair requires a paid service — you have the right to dispute for free through the bureaus directly. The DIY path works if you have the time to write careful, factual letters and track 30-day deadlines. The reason people hire us is the strategy, the volume of disputes, and knowing which approach fits which item — not because the law is hidden from you.