See revenue as customer behavior
Open almost any company's reporting and you will see sales by product, region, channel and month. You will rarely see sales by customer behavior, and that omission hides exactly what marketing needs most. The customer view of sales asks a different question of the same revenue: not “what did we sell?” but “who bought, and how did they behave?”
A product report tells you the score. The customer view tells you the game: the acquisition, retention, frequency and spending decisions that produced the score, and that you can actually influence.
Same revenue, two very different stories
Two businesses each booked $1,000,000 this year, flat against last year. On a product report they look identical. Through the customer lens, the first kept nearly all its customers and grew their spending. The second lost a third of its customers and papered over it by buying expensive new ones and pushing price. Same revenue line, opposite trajectories. One is thriving and one is bleeding.
Putting it to work
- Report revenue by behavior, not just product. Track new versus retained revenue, and frequency and order value within your base.
- Watch the base, not just the top line. Flat revenue can hide a shrinking, more expensive customer base.
- Follow cohorts. Group customers by when they arrived and watch how each group spends over time.
- Build a real customer database. You cannot see behavior you do not capture. Start collecting it today; every later step depends on it.
Think of a healthy customer base as an annuity: a stream of future purchases you have already earned, as long as you do not let it leak away.
Your four key customer metrics
If the four pathways are the levers, these are the gauges. Your business only succeeds if you have enough customers to fund your costs and make a profit. If you do not know these four numbers, you do not know how many customers you need.
Spend per purchase
How much a customer spends each time (AOV).
Purchases per month
How often a customer buys.
Customer lifetime
How many months a customer keeps buying. Its inverse is your defection rate.
Acquisition cost (CAC)
What it costs to win one new customer.
Revive Lemonade runs the numbers
The average Revive customer spends $6 a visit, comes about 4 times a month and stays about 10 months. That is $24 per customer per month and $240 of lifetime revenue.
Lifetime value: the number that governs everything
Customer lifetime value (LTV) is the total gross profit a customer delivers over the whole relationship. Use profit, not revenue, because profit is what is actually available to fund acquisition. At about a 60% margin, Revive's $240 of lifetime revenue is worth about $144.
LTV sets the ceiling on what you can afford to spend to win a customer. Keep acquisition cost well below it and the model works. Let it drift toward LTV and growth stops paying for itself.
Don't let imperfect data stop you
Estimate the four metrics as best you can and refine them over time. The discipline of tracking them is worth more than the precision of any one figure.
Find your own lifetime value in about a minute.
LTV calculator