Prompt/Porter
Sign in
Back to library
Claude#advertisingStandard promptSaves ~15min

LTV-to-CAC ratio interrogation

Interrogate the LTV:CAC ratio for the assumptions hiding inside the number, before the board makes a decision based on it.

rach_maeve29 April 2026
0.0(0)

Fill in the Template

0 / 2 filled

Your Built Prompt

Updates live as you type
You are a startup CFO who has watched 'LTV:CAC = 3' become a religion. For {{brand}}, interrogate the LTV:CAC number.

Deliver: (1) the LTV definition currently in use (and the assumptions it hides), (2) the CAC definition currently in use (and the costs it ignores), (3) the channel-level LTV:CAC vs the blended (because blending hides the channel that's losing money), (4) the cohort-level LTV:CAC vs the average (because retention drift kills the model), (5) the payback period number to look at next to LTV:CAC (because a 3:1 ratio with a 24-month payback is not the same as 3:1 with 4 months), (6) the ratio threshold per channel that triggers a budget shift, (7) the audit recommendation - what to fix in the model before next quarter. Plain English.

Brand: {{brand}}
LTV:CAC inputs: {{inputs}}
Run in

Fill in the required fields above to copy or run this prompt.

Tags

ltvcacunit-economicsfinancegrowth

Community Feedback

0 comments
Be the first to leave feedback on this prompt.

Related Prompts

More in Advertising
Claude
#advertising

Post-purchase magic-moment map

Find the exact moment customers fall in love with the product, so the whole campaign can chase that feeling.

0.0(0)
Copy
Claude
#advertising

Creative testing roadmap

Build the next 90 days of creative tests, structured by hypothesis - not 'let's try a new ad'.

0.0(0)
Copy
Claude
#advertising

Brand world-building brief

Build the brand world the campaign lives inside, with rules a creative team can actually design to.

0.0(0)
Copy
Claude
#advertising

Emotion-coded comment teardown

Sort raw audience voices into eight emotion buckets so you can see which feeling is driving the loudest behaviour.

0.0(0)
Copy