Total paid divided by counted clicks, for every board on the wall. Nobody else in this category publishes this. It is sitting in their databases.
| # | Board | Paid | Clicks | Cost per click |
|---|---|---|---|---|
| 1 | plaininvoice.com | $5.00 | 2 | $2.50 |
| 2 | blackfridaydeals.dev | $3.00 | 2 | $1.50 |
| 3 | bestbuyclues.com | $1.00 | 3 | $0.33 |
$9.00 paid, 7 clicks — $1.29 per click across the whole wall.
For comparison: Reddit ads for developer tools run about $1.80 a click, X around $1.50–$4.00, and Google Search for B2B SaaS non-brand terms about $13.75. Those audiences are searching with intent; ours are browsing. Judge accordingly — here's how we count.