DLO Live! Ep. 32 If I Could Have Only One... 2021 Edition

This is the topic I try to re-visit once a year or so, starting with a discussion and followed with an article or two elaborating on different scenarios. Here is the optics portion that came out from last year's discussion: https://opticsthoughts.com/?page_id=1262
I will also extend this to firearms for this year.