I will improve this page when time permits. That said, most of the “heavy lifting” has been done. check out:
Suggestion: Get moving on this. The demand is so high that the U.S. consulate in Toronto is holding group meetings to assist expats. Apparently, the demand to renounce U.S. citizenship is exploding.
You should first ensure that you are still a U.S. citizen. See:
For a fascinating conversation about renouncing U.S. citizenship: