The three inputs
Margin
Runs 70%, prospecting 98%, LinkedIn 95%. Blended across plans, after fees.
78%
CAC
15,000 sends → 70 replies → 14 signups → 5.6 customers, ÷ $673 fully loaded.
$121
LTV
$65 monthly gross profit × 11.1 months.
$723
Churn
Lifetime
LTV
LTV : CAC
5%
20.0 mo
$1,301
11 : 1
7%
14.3 mo
$929
8 : 1
9%
11.1 mo
$723
6 : 1
12%
8.3 mo
$542
4 : 1