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How to know if your advertising represents good value for money:

Calculate your average Customer Life Time Value (CLTV)...

...and work out what you should be paying for customer acquisition


When you know what a new customer is truly worth to your business, you then have an idea of what you should be investing to acquire one.

As a general rule you should invest around 10% of your average CLTV to acquire a new customer

This means that if your average  Customer Life Time Value is $500 then you can pay up to an average of $50 in advertising costs to get a new customer.

Therefore - under this scenario - if you spend $100 in advertising, you should expect to get two new customers - otherwise you'd have to question the value of the advertising.

Work out your average Customer Life Time Value (CLTV) below:

What would be the average amount a first time purchaser would spend with your business? $
When you get a "good customer" for your business approximately how much on average would they spend in the next 12 months? $
What percentage of your customers would become "good customers" in the manner suggested above? %
What percentage of your "good customers" would refer "word of mouth" business to you? %
For how many years would your average "good customer" repeat this pattern?
What is average gross profit percentage on your sales revenue? (ie sales revenue minus all direct costs of sale) %
YOUR AVERAGE LIFETIME VALUE OF A CUSTOMER
CUSTOMER ACQUISITION INVESTMENT ALLOWANCE

How does this work? 


The calculation takes into account that in many businesses some customers are one-off purchasers, while others go on to make multiple purchases over a length of time. On top of this, some customers encourage their friends to become customers. These clients clearly have more value.

The calculation takes all of this into account and comes up with a figure that gives you an insight into the contribution that an average customer makes to your business.

The Customer Life Time Value calculation asks you to estimate what proportion of your business is one-off and what is repeat, and how many years this pattern will typically repeat itself. It also asks what percentage of customers refer word of mouth business to you. 

So we are able to come up with an average figure that your average customer contributes to your business profitability, we also ask you to estimate your average gross profit percentage.

The combination of these factors contribute to a figure - your average Customer Life Time Value (CLTV) - which represents the average amount of profit that a new customers is likely to contribute to your business over the time they remain a customer.

A good rule of thumb is that you should be willing to invest 10% of your average Customer Life Time Value to gain a new customer

This figure shows you what is reasonable amount to be spending on advertising to acquire a new customer.
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Page: How to calculate customer life time value - calculator - Last updated: 4th February, 2012 | Site Map | Client Login