The $500 test

TAKEOliver Wakefield-Smith · Digital SignetSources checked July 31, 2026

Cue

Can you advertise on podcasts for $500?

Yes. $500 clears Spotify’s published 250.00 minimum and enters Acast and AudioGo self-serve. At published rates it buys 19,231-20,833 host-read impressions ($24-26 CPM) or up to 41,667 programmatic impressions ($12 floor). What it proves: your effective CPM and whether anything registers. What it cannot prove: ROI.

19,231-20,833Host-read impressions500 ÷ 26 and 500 ÷ 24, x 1,000

up to 33,333Pre-recorded at $15 floor500 ÷ 15 x 1,000

up to 41,667Programmatic at $12 floor500 ÷ 12 x 1,000

Where to put it

One platform, one flight, all $500. The split-it-thin instinct (two platforms at $250) doubles your setup work and halves each sample. Route choice: Spotify if your conversion happens on your site and you want the pixel; AudioGo if the business is local. Rates basis: .

The honest ceiling

Run the modeler’s math forward: 41,667 impressions at a 1% visit rate is roughly 417 visits; at 2% conversion that is roughly 8 orders. Eight orders is not a CAC measurement, it is a pulse check: the confidence interval around eight of anything is enormous. Most content about $500 podcast tests pretends otherwise. A $500 test that produces zero trackable response is also information; it usually means creative, offer, or audience fit failed, not that the channel is dead.

What decision it feeds

Pre-commit the branch before spending: if effective CPM lands near published floors and anything converts, scale to the $2,500 test where per-show signal starts to exist. If delivery was fine but response was zero, change one variable (offer, creative, audience) and re-run at the same size. Do not conclude the channel works or fails from $500; conclude whether it is worth $2,500.

Tier context: what $500 buys per platform · Next tier: the $2,500 test