To help you decide which path is right for you, consider if you value: : Choose TreasuryDirect.
: Providers like Fidelity , Schwab, and Vanguard allow you to purchase both new-issue and pre-owned (secondary market) T-bills.
: Buying through a broker often makes it easier to sell your T-bills on the secondary market before they reach maturity if you need quick access to your cash. How the Purchase Process Works