Right now NameCheap has the cheapest first year at $69.98, and Dynadot the cheapest renewal at $69.99. Over three years the lowest total at one registrar is $209.97 at Dynadot.
Why does .fm cost more after the first year?
Many registrars sell the first year below cost and recover it at renewal: at NameCheap, .fm renews at $118.98 after a $69.98 first year. Compare the renewal and 3-year columns before you buy.