Thread:RR3 Michael P/@comment-114.71.127.84-20161122031909/@comment-27048832-20161122062553

RR3 Wiki:Upgrades Strategy For 100% Completion is the page you are looking for

The information is subjective hence why it is not on the series pages

The upgrades page can be found in the navigations at the top of the Wiki : Navigation > Strategy > Upgrades Guide