Vanguard is the "credit union" of index funds - it's owned by the funds themselves rather than making a profit for some third party. Vanguard has lowered their

Vanguard is the "credit union" of index funds - it's owned by the funds themselves rather than making a profit for some third party. Vanguard has lowered their fees on several occasions as their funds got bigger, and they manage a ridiculous amount of money, so I imagine they'd be very hard to undercut.