Nexus is like a speed pass to get through the US/ Canada borders.
I always thought it was too expensive to consider but I just looked it up. It's $50 for a 5 year pass per person. That's $10 a year, not bad at all.
DH wants us to get it. We do usually travel into Canada during the weekends where the lines are crazy. Hmm...
Do you travel into Canada or US often? Do you have a Nexus account?