Omer Shai argues LTV is an unreliable, long-term guess. He prefers TROI, which measures how quickly marketing spend is recouped using short-term cohorts (1-28 days). This metric enables faster, more confident decisions on scaling successful channels and managing cash flow.

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Beyond improving traditional marketing metrics, a crucial new shared KPI for the CMO-CIO partnership is "Time to Value." This measures the efficiency of AI pilot selection, execution, and scaling, ensuring the collaboration delivers on AI's promise of speed without getting bogged down by process or governance hurdles.

Lifetime Value (LTV) is a vanity metric; Lifetime Gross Profit (LTGP) represents the actual cash available to reinvest in growth after covering fulfillment costs. All acquisition models and payback calculations should be based on gross profit, not revenue, to reflect true capital efficiency and growth potential.

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'.

When both CAC and LTV increase, it signals rising market costs. This should trigger brands to shift focus from short-term acquisition metrics to long-term customer relationships and lifetime value optimization, as obsessing over the entire customer journey becomes key to success.

By establishing a TROI target (e.g., 11 months) that the company's finance team is comfortable with, the marketing team gains autonomy to spend without a fixed cap. As long as new investments are projected to pay back within that timeframe, the budget can scale indefinitely.

Lifetime Value (LTV) is meaningless in isolation. The key metric for investors is the LTV to Customer Acquisition Cost (CAC) ratio. A ratio below 3:1 indicates you're overspending on growth. The 3:1 to 5:1 range is healthy, while anything over 5:1 is world-class and attracts premium valuations.

While LTV is important, it's often a lagging and inaccurate indicator. Focusing on the CAC-to-Payback Period ratio provides a more immediate, tangible metric. If the ratio is positive against a set goal (e.g., 12-36 months), it's a clear signal for marketing teams to aggressively increase spend and accelerate growth.

While a healthy LTV to CAC ratio is important, the speed at which you recover acquisition costs (payback period) is the true accelerator of growth. A shorter payback period allows for faster reinvestment of capital into acquiring the next customer, compounding growth exponentially.

C-suites and shareholders are increasingly focused on the long-term profitability of customer relationships. ABM programs should be measured by their ability to increase customer LTV, which reflects success in retention, cross-selling, and building "customers for life," not just closing the next deal.

Sustainable customer acquisition isn't about countless metrics. It boils down to mastering the interplay between three core financial levers: the cost to acquire a customer (CAC), their lifetime gross profit (LTGP), and the time it takes to recoup the initial acquisition cost (Payback Period).

Wix CMO Rejects LTV for a Faster "Time Return on Investment" (TROI) Metric | RiffOn