How many spots do you need?

Why the convention exists

Three mechanics, none exotic. Repetition: listeners rarely act on first exposure to an unknown brand, and podcast audiences hear the same show weekly, so spot two and three land on primed ears. Sampling: any single episode’s audience is a noisy draw; three spots average out topic, guest, and season effects. Seller behavior: marketplaces package multi-episode deals by default, which tells you what the sell-side has found renews. Convention plus coherent mechanism is worth following when the alternative (one-offs) has neither.

Depth vs breadth on a fixed budget

The recurring allocation mistake is maximizing show count. On $2,500, five shows at one spot each produces five unreadable results; two shows at three spots produces a winner, which is why the $2,500 playbook splits exactly two ways. Rule of thumb this site uses across its scenarios: never buy fewer than three spots per show until at least one show has proven itself, then widen. Depth first, breadth second.

How fast response builds, and when to stop

Expect trickle after spot one, a readable pattern by spot three, and your decision data by the end of the flight; when to expect resultscovers the timing curve. Diminishing-returns signals worth acting on: per-spot redemptions declining across consecutive spots while impressions hold, or a code’s weekly redemptions flattening to baseline mid-flight. Fatigue on a small show is real; the fix is refreshing the offer or resting the show, not abandoning frequency.