Traditional marketing spreads budget thinly across many low-conviction prospects. A "tollbooth" approach identifies high-demand prospects with near certainty. This conviction allows you to consolidate your budget and spend dramatically more per person on a high-impact action, transforming your CAC economics.

ROAS (Return on Ad Spend) is a vanity metric that can mask unprofitable customer acquisition. By focusing on POAS (Profit on Ad Spend), brands are forced to measure the actual profit generated from advertising, linking marketing directly to bottom-line health and avoiding the trap of 'growing broke'.

A sophisticated paid acquisition strategy involves spending enough to acquire a customer at a cost equal to their first month's payment. Profitability is achieved in subsequent months and through referrals, enabling aggressive, uncapped scaling by focusing on lifetime value (LTV) over immediate ROI.

Focusing on a low Cost Per Lead is a common mistake; cheap leads often fail to convert. The more meaningful metric is Customer Acquisition Cost—total marketing spend divided by actual new customers. This shifts focus from lead volume to profitable growth and true campaign effectiveness.

6AM City treats its reliable cost-per-subscriber from Meta lead ads as the baseline for evaluating all other growth tactics. For any new initiative, like a community event, they compare the cost against the number of subscribers it would have generated via Meta ads. If a $5,000 event doesn't yield 5,000 subscribers, the ROI is considered negative.

Adding qualification steps to a sales funnel weeds out bad-fit leads. This increases cost-per-lead but lowers overall customer acquisition cost (CAC) and boosts morale by letting salespeople focus only on high-intent, closable deals.

Focusing on a blended, company-wide conversion rate is a mistake. A flood of low-cost, low-intent traffic might lower the overall rate but still be highly profitable. The key is to isolate and improve conversion for specific, valuable cohorts, like users from a targeted ad campaign.

Counterintuitively, removing qualification steps to boost lead volume consistently resulted in less profit. A higher cost to acquire a much higher-value customer ($5k to acquire $45k) is far more profitable than a low cost for a low-value one ($1k to acquire $5k), challenging the focus on CPL over LTV.

The common 3-5x ROAS benchmark is an optimization target, not an initial gate. When testing a new paid channel, aim for break-even first. This proves viability and buys you time to iterate on creative, audience, and spend levels to find a scalable, efficient model.