<b>Audience overlap above 30% turns a multi-creator buy into one expensive creator.</b>

<b>Audience overlap above 30% turns a multi-creator buy into one expensive creator.</b>

Unique-reach efficiency vs overlap:
0–10% overlap ████████ 95% unique
20% overlap ██████░░ 80% unique
40% overlap ████░░░░ 60% unique
60% overlap ██░░░░░░ 40% unique

Brands stacking five creators in one niche often pay five fees for two creators' worth of distinct reach. Overlap is invisible on a media plan and brutal on effective CPM.

So what: pull overlap maps before signing the third creator in any single sub-niche.

Benchmark: n=140 multi-creator campaigns, overlap modeled from follower samples.