describes AFCU's Asset Builder CD which has a 2-year term, no minimum balance and unlimited additional deposits. Only problem with this add-on CD is that it's currently only paying 1.10% APY.Northwest FCU's
2-year add-on CD has a higher rate, but it requires a $500 minimum.
Add-on CDs can be useful as a hedge against an extended low-rate environment.
I have more about AFCU in this post