Why Cheaper Leads Aren't Always Better Leads
Imagine two campaigns.
Campaign A generates more leads at a lower cost.
Campaign B generates fewer leads at a higher cost.
Which campaign is better?
You can't answer that using CPL alone.
The more important question is what happens after those leads are generated.
Look Beyond Lead Volume
A lead is an enquiry.
It isn't automatically a qualified sales opportunity or a customer.
Different platforms and campaign approaches can attract people with different levels of purchase intent.
A Real Example From B2B Advertising
For a premium office interior design company in India, campaigns ran across Google, Meta and LinkedIn.
Over 25 months, the advertising generated:
- 224 paid leads
- 21 sales qualified leads
- 5.94M+ impressions
LinkedIn generated fewer leads than some other channels but delivered the highest number of SQLs.
That made lead quality an important part of evaluating performance.
What Should You Measure?
Alongside CPL, look at:
- Lead quality
- Marketing qualified leads
- Sales qualified leads
- Enquiries progressing through the sales process
- Customers acquired, where that information is available
These metrics help connect advertising activity with business outcomes.
What Should You Do?
Don't automatically move budget toward the campaign with the cheapest leads.
Evaluate what happens after the enquiry.
A campaign with a higher CPL may still be valuable if it produces stronger sales opportunities.
The takeaway: The goal isn't simply to generate more leads. It's to generate leads that contribute to customer acquisition.
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