Web1) buy the etf versions of vanguard funds for free (e. g. Vt or vti) 2) buy the fidelity funds, which are dirt cheap (fskax) or even zero er (fzrox) 3) buy the vanguard funds for *i think* $50 per purchase. Learn more about mutual. Webcan i buy vanguard funds through fidelity? Does fidelity offer vanguard index mutual funds/etfs (retirement, stocks, and s&p funds)? Investing in vanguard and fidelity. Webbuying and selling vanguard mutual funds is simple, whether you're transacting in a vanguard brokerage account or in an account that holds only vanguard mutual funds.