The Max CPL
Know your ceiling.
How it works
Enter your Product Profit.
Enter your Close Rate.
See your Breakeven CPL instantly.
Why it matters
If you make $100 profit and close 20% of leads, you cannot pay more than $20 per lead.
If you do, you lose money. This is the law of physics for lead gen.
The Math
Breakeven CPL = Profit × (Close Rate / 100)
Target CPL = Breakeven CPL × 0.8 (20% Safety
Margin)