The alternative is a 0.1-1% money market fund. So getting $50/year vs $1 isn’t a huge amount, but it’s something. Since you, hopefully, don’t ever use your eme

The alternative is a 0.1-1% money market fund. So getting $50/year vs $1 isn’t a huge amount, but it’s something. Since you, hopefully, don’t ever use your emergency fund, adding $1000 a year for decades adds up. Of course rates won’t always be this high for I-bonds and so low for MMA, but you get the idea.