So if you want to see a difference, you have to wait until the old cells that have all of the old functioning and old information — they got ta die! (drcarri.com)
This may mean paying off balances or calling lenders or simply waiting until the old accounts to fall off the credit report. (stockmonkeys.com)
Or, you will need to wait until the oldest of the five most recent credit card accounts is at least 24 months old. (johnnyjet.com)