======Customer Lifetime Value (CLTV)======
Customer Lifetime Value (CLTV), sometimes called Lifetime Customer Value (LCV), is a powerful metric that predicts the total net profit a company can expect to make from a single customer over the entire duration of their relationship. Think of it this way: when you buy your first iPhone, Apple isn't just pocketing the profit from that one sale. It’s anticipating you'll buy future iPhones, iPads, subscribe to Apple Music, and maybe even use its payment services for years to come. CLTV bundles all that future potential into a single dollar value. For a [[Value Investor]], this metric is pure gold. It shifts the focus from short-term quarterly profits to the long-term health and sustainability of a business. A company that consistently cultivates a high CLTV is building a fortress of loyal, profitable customers—a key ingredient for durable success.
===== Why CLTV is a Value Investor's Secret Weapon =====
Legendary investors look for companies with a durable competitive advantage, or an [[Economic Moat]]. A high CLTV is often a flashing neon sign that a company has exactly that. It's a quantitative measure of a qualitative strength.
  * BoldQuality of Earnings: A high CLTV indicates that a company generates predictable, recurring [[Revenue]], rather than relying on a constant scramble for one-off sales. This translates to higher-quality, more reliable [[Earnings]].
  * BoldPricing Power: Customers who stick around for years and love a company's products are less sensitive to price increases. This loyalty grants the company [[Pricing Power]], allowing it to protect its margins against inflation and competition.
  * BoldEfficient Capital Allocation: Understanding CLTV helps management make smarter spending decisions. If a company knows a new customer is worth $5,000 over their lifetime, it can confidently spend up to that amount (but hopefully much less!) to acquire them. This discipline is a hallmark of excellent [[Capital Allocation]].
===== Calculating CLTV: The Back-of-the-Napkin Method =====
While data scientists use complex models, an ordinary investor can grasp the concept with a simple approach. The goal isn't perfect precision but to understand the key drivers of a company's value.
==== The Simple Formula ====
A straightforward way to think about CLTV is:
//(Average Annual Profit per Customer) x (Average Customer Lifespan in Years) - [[Customer Acquisition Cost (CAC)]]//
Let's break that down:
  * BoldAverage Annual Profit per Customer: This isn't revenue; it's the profit left over. You can estimate it by taking the average revenue per user and multiplying it by the company's [[Profit Margin]].
  * BoldAverage Customer Lifespan: This is how long a customer stays loyal. A good proxy for this is using the [[Churn Rate]] (the percentage of customers who leave in a period). The lifespan can be estimated as //1 / Churn Rate//. A 5% annual churn implies an average customer lifespan of 20 years (1 / 0.05).
  * BoldCustomer Acquisition Cost (CAC): This is the total sales and marketing cost required to land one new customer.
==== The CLTV to CAC Ratio: The Golden Metric ====
The real magic happens when you compare CLTV to CAC. This ratio tells you the return on investment for acquiring new customers. A company can have a huge CLTV, but if it costs even more to get each customer, it's on a path to ruin.
  * A ratio of Bold3:1 (the CLTV is 3x the CAC) is generally considered healthy and sustainable.
  * A ratio of Bold1:1 means the company is essentially spending a dollar to make a dollar back over many years—a terrible business.
  * A ratio of Bold5:1 or higher is fantastic, suggesting the company has a great business model and perhaps should invest more in growth.
===== Where to Find CLTV Clues =====
Companies rarely publish a neat "CLTV" figure in their financial reports. As an investor, you have to be a detective and piece together the clues.
==== Reading the Annual Report ====
Scour the management's discussion and analysis (MD&A) section. Look for keywords that hint at the components of CLTV:
  * Look for metrics like "customer retention," "repeat purchases," "subscriber growth," "net revenue retention," or "churn."
  * Analyze the [[Sales, General & Administrative (SG&A)]] expenses. A rising marketing budget without a corresponding rise in new customers could signal a deteriorating CAC.
==== Analyzing the Business Model ====
Some business models are naturally geared toward high CLTV:
  * BoldSubscription Models: Software-as-a-Service ([[SaaS]]), streaming, and membership companies are built on CLTV. Their entire model depends on keeping customers paying month after month, year after year.
  * BoldHigh Switching Costs: It's a hassle to change banks, enterprise software, or your mobile provider. This inertia keeps customers locked in, increasing their lifetime value.
  * BoldBeloved Brands: Think of companies with fanatical followings. The emotional connection customers have with these brands leads to decades of loyalty and repeat business, creating an enormous, albeit hard to calculate, CLTV.
===== A Word of Caution =====
CLTV is a forward-looking estimate, and the future is always uncertain. It relies on assumptions about customer behavior, profit margins, and competition that can change unexpectedly.
Therefore, never use CLTV in isolation. It’s a powerful tool for understanding the quality of a business, but it should be used as part of a comprehensive analysis. Always check it against other fundamental metrics like [[Free Cash Flow]], [[Return on Invested Capital (ROIC)]], and the strength of the [[Balance Sheet]].