02/19/2026
They thought their pop-up was crushing it.
It generated $38K.
It also leaked $19,259 in a single month.
Not because ads were bad.
Not because the offer was weak.
Not because the welcome flow didn’t convert.
Because of one “best practice” setting.
Most founders track opt-in rate.
I track delivered revenue.
If you want to know what your lead capture is actually costing you, drop “Email” below and I’ll run the math.