Can a motivated learner grasp 80% of GTM engineering mindset in 25 hours or less? Resources requested.

1️⃣ Can a capable person learn learn 80% of what’s valuable/imprtant in GTM engineering mindset in 25 hours or less? 2️⃣ If so, what’s the link to class/resources? PS: I’ve already watched all of Clay university’s videos, they’re great. But I’m still struggling to actually make a useful Clay table. I’ve experienced lots of frustration. I think I’m doing something wrong.