How Much Are Dab Pens?

Ember Dab Pen for Sale, Shop Discreet Dab Pens

Extreme 2.0 Defender Dab Pen

Vari-Vape 900 Wholesale 510 Thread Vape Pens - O2VAPE

Dab Pens vs. Carts Differences - All you need to know - Tools420

Buda Dab Pen - Elev8

Yocan Magneto Vaporizer for Sale, Dab Pen

Best Vape Pen For Wax & Oil Concentrates - The Vape Critic

Dab Pen Vape Coils Wax Vape Coils, Dab Pen Battery – SmokeTokes

Pulsar Variable Voltage Vape Pen Battery w/ Preheat

Why does this keep happening to my dab pens? And how to avoid it? Sometimes I lose around 50% product. No matter the brand of pen or cartridge : r/trees