It will take you hours and hours to fully grasp the systems of Fire Emblem: Three Houses which is why we've put together this list of Fire Emblem: Three Houses tips.
Even More Things I Wish I Knew Before I Started - Fire Emblem: Three Houses
Fire Emblem: Three Houses Guide - All The Best, Spoiler-Free Tips & Advice You Need - GameSpot
Fire Emblem: Three Houses Guide - All The Best, Spoiler-Free Tips & Advice You Need - GameSpot
10 Things We Wish We Knew Before Starting Fire Emblem: Three Houses
Fire Emblem: Three Houses Guide - All The Best, Spoiler-Free Tips & Advice You Need - GameSpot
Fates Online Explained - Everything you need to know before 3DS Online Shuts Down : r/fireemblem
I made a character sheet for Monica if she was playable in three houses : r/ FireEmblemThreeHouses
Fire Emblem Engage - Wikipedia
Fire Emblem: Three Houses Guide - All The Best, Spoiler-Free Tips & Advice You Need - GameSpot
Made it to chapter 17, and I think I've gotten most of the units! Here's my ranking on how much each one was used. : r/fireemblem