Using a primer for your miniatures is a must. Without it you will undo all your hard work. So, here's my tips and advice to help you out.
Is this primer safe for painting minis? : r/minipainting
Miniature Painting Blog with Tutorials, Guides, and Gaming Articles • Page 9 of 33
The Do's and Don'ts of Priming Miniatures - Master The Dungeon
I use this for primer, it's pretty good but I can't help but wonder if there are cheaper alternatives that work just as well, if not better. I would appreciate y'all's knowledge!
Guide to Sealing/Varnishing Your Miniatures (Recommended Buys)
Painting miniatures: Everything beginners need to know - Polygon
Psi ring minitures
Mengel Miniatures: Hobby Tips: Choosing the Right Primer, Part 2
The Army Painter Color Primer Spray Paint, Gun Metal, 400ml, 13.5oz - Acrylic Spray Undercoat for Miniature Painting - Spray Primer for Plastic Miniatures
Hobby 101: How to Prime Models and the Basics of Priming
Getting Ready to Paint a Miniature Critical Role – Steamforged Games
Stahly's best primers & spray paints for painting Warhammer miniatures » Tale of Painters
A beginners Guide to Painting your First Warhammer Army
Warhammer Underworlds (Shadespire & Nightvault) Review