Right now Alibaba Cloud has the cheapest first year at $3.90, and Alibaba Cloud the cheapest renewal at $5.90. Over three years the lowest total at one registrar is $15.70 at Alibaba Cloud.
Why does .wang cost more after the first year?
Many registrars sell the first year below cost and recover it at renewal: at Alibaba Cloud, .wang renews at $5.90 after a $3.90 first year. Compare the renewal and 3-year columns before you buy.