Exactly this > "set it and forget it". Even though the fees for Vanguards targeted retirement date fees are much higher than a weighted average of one of the

Exactly this > "set it and forget it". Even though the fees for Vanguards targeted retirement date fees are much higher than a weighted average of one of their money market and index funds, these fees are still really low and as such, the "set it and forget it" function is very useful and valuable (certainly when considered in a behavioral economics framework where one may not be as disciplined with re-balancing as the models indicate).