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'.

Use a low-priced offer ($17-$47) to immediately recoup ad costs. This "self-funding" strategy transforms ad spend from a gamble on a future launch into a predictable, real-time investment, eliminating the need to wait months for a return.

Many marketers mistakenly assume performance marketing channels scale linearly. Co-founder Andy Lambert learned that simply increasing the budget doesn't produce proportional results. Instead, efficiency breaks down, and customer acquisition costs rise, highlighting an over-fixation on demand capture versus sustainable demand creation.

When starting with paid social ads, don't get trapped in complex ROI calculations. Instead, pick a number that, if it went to zero, would be an acceptable cost for the education gained. This removes fear and encourages the experimentation crucial for finding what works.

When a business with 50% gross margins achieves a 4-to-1 return on ad spend (e.g., $20 CAC for an $80 order), the primary focus should be on scaling that proven channel, not prematurely diversifying into unproven, potentially lower-performing ones.

Stable’s founders regret spending only a few hundred dollars a week on early paid ads. They were micro-optimizing instead of spending enough to get a clear signal. The goal should be to saturate high-intent keywords to see if a channel works, not to perfect ROI on a tiny budget.

When ad performance breaks at scale, the problem isn't your bidding strategy; it's that you've saturated the 3% of the market ready to buy now. To grow, you must target the other 97% with broader, less direct hooks and lead magnets that educate them first.

To get statistically significant feedback from a paid ad campaign, you must be willing to spend at least twice your target Customer Acquisition Cost (CAC) just on the test. Spending less provides an insufficient feedback cadence, making it impossible to know if the campaign can become efficient.

When ad spend can't increase without performance dropping, the issue isn't your bidding strategy. It's that your direct offers have exhausted the small pool of problem/solution-aware customers. Scaling requires broader hooks and funnels to engage the much larger, less-aware audience.