USCCA, Active Self Protection, Alien Gear does a bunch of weekly videos and live streams, Mike the Cop has several videos about carrying. Your local pro-2A organizations should have social media groups where a ton of useful (and sometimes not so useful) things are shared.
USCCA, PDN, Concealed Carry.com, Shooting Performance
USCCA, TX Lawshield, Active Self Protection (youtube) Munitions Law Group (youtube), PDN.
Arming yourself with as much knowledge from reliable sources as possible is your best defense.
I should also add. Recoil: OFFGRID, and Recoil magazines, available online or in some stores. They have a lot of great articles to read too.