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You can request directly from the CRAs if you have changes, updates, or have been denied recently they are free.
And all 3 CRAs are very happy to take your money for a copy if you don't qualify for a free one. Just go to their website direct rather than through the annual credit report website.
The credit bureaus sometimes make it harder to find the place to buy a copy of report only through their websites, instead they usually try to sell their monthly subscription services, so these are the direct links for reports.
Equifax:
https://www.equifax.com/personal/products/credit/report-and-score/ (can't seem to get Equifax report only without score)
https://www.equifax.com/fcra/ (for free/reduced price in compliance to FCRA)
TransUnion:
https://disclosure.transunion.com
https://disclosure.transunion.com/dc/disclosure/disclosure.jsp (for free/reduced price in compliance to FCRA)
Experian:
https://www.experian.com/reportaccess/ (you can buy or request free copies for getting adverse action)
Bear in mind that residents of some states get additional free reports each year:
Be sure to make copies of whatever reports you get and date them clearly. Assuming you are not relapsing into further delinquencies, that means your DOFDs should be all well in the past, and you should not need mutiple pulls of your reports to track them.
I'd also make sure you have pulled your reports with all the free tools out there, which may answer some of your questions.
Credit Karma (EQ and TU)
WalletHub (TU)
creditscore.com (EX)
and the $1 trial 3B report at Credit Check Total.