It saves time and money in the long run to keep your super in as few accounts as possible. (moneysmart.gov.au)
In addition to opening fewer accounts, cardholders are also carrying less debt from month to month and are leaving less debt on their cards than they used to. (creditcards.com)
They either have «thin» files, with too few accounts, or «stale» ones that haven't been updated in a while. (nerdwallet.com)