Library size
40+ pieces of raw UGC per month across your top 3 products. Rotating library keeps creative fresh and algorithm happy.
Source at three tiers
Customers (cheap, authentic), micro-creators ($50-300 per video), and pro creators ($500-2000 per video). Mix all three.
The brief determines output
Tight briefs get usable UGC. Loose briefs get chaos. Specify hook, format, runtime, and required product demonstration explicitly.