Series I bonds and EE bonds are popular U.S. savings bonds ... of expert advice - straight to your e-mail. How to buy From TreasuryDirect.gov only You may buy up to $5,000 in paper savings bonds ...
Now, all savings bonds are digital and must be bought online using the department's TreasuryDirect system. In addition, the extra $5,000 option has ended. 'You may continue to purchase up to $ ...