Three months? Seriously?
It takes 4 years to earn a Baccalaureate Degree, 2 years to master (MSc) the subject of the Baccalaureate Degree, another 5 to 6 years at a top university to become recognized as a philosopher in the same subject.
By the way, if a PhD takes 3 years, it typically is not an academic full time PhD. Makes you wonder though. If a full time PhD at a top school takes 5 to 6 years, and a non-full time PhD or DBA program takes 3 years, how much expertise really can be acquired in context of those part time PhD or DBA programs?
My guess? Those part-time 3-year PhD or DBA programs? Designed so it is up to participants to decide how much they take out of it. Only those who truly know and understand why they register for those programs ever really get any new or meaningful expertise out of it.
But I digress.
If anyone is counting, that is how many years altogether for becoming an expert in one subject? Seems like 11 years at the very least to me.
On a more serious note, I enjoyed the post (for concreteness, I did clap, and not just that perfunctory 1 clap).
But 3 months of initial dedication is for a hobby, not something in which you truly want to specialize in context of a career or money earning side gig.