Mantis uses both 2 (Echo) and 4 stroke (Honda) engines. You can get a new coil from Mantis or do like I did and get a used coil from an Ebay seller.
It cost me $32 4 yr ago but seem to be fairly common listing. If you do decide to replace the coil, make sure it's for the particular engine (mod...
Remember, next time you hate your life, it's all about perspective.
I have a friend who reads 2-3 books a week, works out twice a day, and has people who want to have sex with him all the time, yet complains about how much he hates prison.