thinkific platform experience

i have Course topics that i want to get out. Some to pre sell, and some to build out. I am looking for assistance from someone who knows there way aound thinkific Im, looking for a long term situation as Im a education provider with a niche that affords the opportunity for plenty of content, that need to get out Im a author, so while marketing my book i will build study groups around chapters of the book, taught via thinkific