With this card you don't have to worry about ever paying an annual fee and can allow it to age your accounts as long as possible. (uponarriving.com)
The point is that very aged accounts work in your favor to balance out new accounts. (creditsesame.com)
Will closing these low aged accounts (say an account thats 6 months old) be beneficial for the average age of account for those scores? (doctorofcredit.com)