→FICO scoring deep dive, the real weight of payment history, utilization, age, mix, and inquiries
→All 3 bureau dispute strategies, Equifax, Experian, and TransUnion (they do not share, you can win twice)
→FCRA §611 verification, the section that forces bureaus to delete what they cannot prove
→FCRA §623 furnisher violations, going past the bureau, straight to the creditor
→Goodwill letters, when, how, and to whom (the exact line that gets late payments removed)
→Pay-for-delete negotiation, the only collection-account move that actually raises a score
→Identity theft disputes, the FTC affidavit, the police report, the block-from-credit-file process
→Mixed file disputes, when someone else's data is on your report (more common than you think)
→Re-aging detection, when a dead account is illegally restarted, and how to kill it
→Statute of limitations + zombie debt, the laws that make old debt disappear, and how to use them