Buying online is a straightforward process that can be done either directly through the government or via a private brokerage account. Most individual investors choose between TreasuryDirect.gov for a direct, fee-free experience or a broker for better liquidity and secondary market access. 1. Buying Through TreasuryDirect
This is the official U.S. government portal for buying securities at auction. Buying savings bonds - TreasuryDirect how to buy treasury bonds online