Course review
The course itself is very well structured, one could generally go through it in one day as well as practice working in excel files. The excel file for the 3rd task (sea wolf) is amazing and helps a lot while not taking too much time. What concerns the first task with building an ecosystem, I must say it takes a lot of time to get through the first batch, and if it happens that there is no sustainable chain than you need to be very fast. I suspect that in my case I lost a lot of time because in the highest calorie batch there was eventually no sustainable chain (or I could not find it).