A Tempe SaaS startup was spending $20K/month scaling Google Ads. Growth looked great — until the board asked for incremental customer numbers. Turns out 35% of "new" signups were existing free users clicking ads. They were paying to convert people who would have converted anyway.

Startups scale fast and break things. Including their ad attribution. When growth is the only metric that matters, nobody stops to ask whether the dashboard numbers are real. Free users converting through paid ads. Existing customers upgrading through retargeting. Organic visitors who would have found you anyway clicking a paid link first.

We rebuilt with incremental attribution. Existing user exclusion lists. Holdout testing to measure true ad lift. Geographic experiments. Real incremental ROAS went from 1.6x to 3.9x because budget shifted from claiming existing demand to creating new demand.

GOSH Digital manages paid media for Tempe companies with that rigor. 150+ clients. Serving the East Valley remotely.