Does investing in index funds on a monthly basis involve brokerage fees?

What is Vanguard’s best performing index fund?

Best Vanguard Index Funds

1. Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX) …
2. Vanguard Total Bond Market Index Fund Admiral Shares (VBTLX) …
3. Vanguard Total International Stock Index Fund Admiral Shares (VTIAX) …
4. Vanguard 500 Index Fund Admiral Shares (VFIAX) …
5. Vanguard Balanced Index Fund Admiral Shares (VBIAX)