Could you produce a nichecarving bestseller in your spare time With professional guidance you could I never suspected I would but I have managed to produce several over the years on a part time basis and so too could you if you set about matters with conviction

Please fix the punctuation.
Could you produce a niche-carving bestseller in your spare time? With professional guidance you could. I never suspected I would but I have managed to produce several over the years on a part time basis, and so too could you if you set about matters with conviction.