SFI has placed the lessons in the launchpad in a specific chronological order for good reason. It is probably to teach a new affilliate the steps of becoming successfull in SFI. It is like walking 30 steps from one room to another. No ways can you say any steps is more imp;ortant than the previous, because without the previous, there will not be a next step! Learn from each lesson what you can, and the whole puzzle faals in place.