Our best spray primer for miniatures goes on smooth, matches colors well, comes in a wide variety of colors, and is relatively inexpensive.
Best white spray primer to use? (I live in the U.K.) : r/minipainting
Priming & Spraying Miniatures: Complete How to Guide
Vallejo Surface Primer For Miniatures (Review And Tips), 46% OFF
7 Best Spray Primer for Miniatures (Review and Recommendation
Ranger Explorer Adventurer Human Female Compass Backpack 28mm 32mm
Ultimate Guide to Primer - HC 318
DND Miniature Set Droid Explorers Cyberpunk Miniature for Scifi
I've had a lot of great tips in my comments lately (some more
What is the Best Spray Primer for Miniatures? - The Wargame Explorer