Chart 5C · For each campaign, the top-performing and worst-performing marketing source by net ROI.
The gap between best and worst reveals how much source selection matters for each campaign type.
| Campaign | Best Source | Best ROI | Worst Source | Worst ROI | Gap (pp) |
|---|---|---|---|---|---|
| AFFF — Firefighter Foam | MS5 | 266% | MS3 | 122% | 144pp |
| Camp Lejeune | MS6 | 193% | MS7 | 75% | 118pp |
| LA Sexual Abuse (LACSA) | MS6 | 529% | MS3 | 126% | 403pp |
| Paraquat Exposure | MS11 | 547% | MS3 | 160% | 387pp |
| Roundup Weed Killer | MS10 | 267% | MS8 | 47% | 220pp |
| Roblox Exploitation | MS6 | 125% | MS12 | 19% | 106pp |