What factors go into your reasoning about assigning relative weights to
grinding through books
projects, taking a shot at the possibility of a contribution
reading current research
Personally, I never maintain 1 and 2 at the same time, and I tend to have >95% of my resources on either one or the other, leaving 5% or less for 3. The vast majority of the last 4 years I’ve been in 1-mode, my reasoning being that I can’t make a contribution if I don’t know anything, and I don’t want to sink my time into bad projects.