Scale the winning offer vertically or add more offers horizontally?

Scale the winning offer vertically or add more offers horizontally?

Q: One offer is profitable. Do I push more budget into it or spread into similar offers?

A: Push vertical until it strains, then go horizontal to spread risk.

— Vertical scaling (more budget, more geos, more sources on the same offer) is the fastest path while it holds. You already know it converts, so you're just adding fuel.
— But every offer has a ceiling: caps, audience fatigue, and rising costs flatten the curve. Pouring more in past that point just burns margin.
— Horizontal scaling (similar offers in the same vertical) protects you when one offer dies overnight, which they do.

Short version: scale vertical while it's hungry, scale horizontal to survive when it isn't.

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