CAC Optimizer

Customer Acquisition Cost (CAC) Optimizer

Analyze, benchmark, and reduce your customer acquisition cost across every channel.

What This Does

Calculates true CAC (fully loaded — not just ad spend) Breaks down CAC by channel, segment, and cohort Benchmarks against industry standards Identifies the cheapest acquisition paths Models payback period and LTV:CAC ratio Generates a CAC reduction roadmap

How to Use

Tell your agent: "Calculate our CAC for last quarter" "Break down acquisition cost by channel" "What's our LTV:CAC ratio?" "Build a plan to cut CAC by 30%"

True CAC Formula (Fully Loaded)

• CAC = (Sales Costs + Marketing Costs + Overhead Allocation) / New Customers Acquired
• Include:
• Ad spend (paid search, social, display)
• Content production costs
• Sales team comp (base + commission + benefits)
• Marketing team comp
• Tools & software (CRM, analytics, ad platforms)
• Agency/contractor fees
• Event/sponsorship costs
• Allocated overhead (office, IT, management time)
• Exclude:
• Customer success / retention costs (that's your retention CAC)
• Product development
• General admin not tied to acquisition

CAC by Channel

ChannelTypical B2B SaaS CACTypical B2C CACPayback PeriodOrganic Search (SEO)$200-$500$15-$506-12 monthsContent Marketing$300-$800$20-$808-14 monthsPaid Search (Google)$500-$2,000$30-$1503-8 monthsPaid Social (LinkedIn)$800-$3,000$40-$2004-10 monthsPaid Social (Meta)$300-$1,500$10-$802-6 monthsEmail / Nurture$100-$400$5-$301-4 monthsReferral Program$150-$600$10-$501-3 monthsPartner / Channel$400-$1,200N/A3-6 monthsOutbound Sales$2,000-$8,000N/A6-18 monthsEvents / Conferences$1,500-$5,000N/A6-12 months

Industry Benchmarks (2026)

IndustryMedian CACGoodGreatLTV:CAC TargetB2B SaaS (SMB)$1,200<$800<$4003:1+B2B SaaS (Mid-Market)$5,500<$4,000<$2,5003:1+B2B SaaS (Enterprise)$15,000<$12,000<$8,0005:1+Ecommerce (DTC)$45<$30<$153:1+Fintech$3,500<$2,500<$1,5004:1+Healthcare SaaS$6,000<$4,500<$3,0004:1+Professional Services$2,000<$1,500<$8005:1+Construction Tech$4,000<$3,000<$2,0004:1+

LTV:CAC Health Check

RatioStatusAction<1:1🔴 Burning cashStop spending. Fix product-market fit or pricing.1:1 - 2:1🟡 UnsustainableOptimize channels. Cut worst performers.3:1🟢 HealthyStandard target. Keep optimizing.4:1 - 5:1🟢 StrongConsider investing more in growth.>5:1🔵 Under-investingYou're leaving growth on the table. Spend more.

Payback Period

• Payback Period (months) = CAC / (Monthly Revenue per Customer × Gross Margin %)
• Target by stage:
• Seed/Series A: <18 months
• Series B+: <12 months
• Profitable company: <6 months

Quick Wins (30 days)

Kill underperforming channels — Bottom 20% of channels by CAC efficiency → pause immediately Tighten ICP targeting — Narrow ad audiences to best-fit segments (often cuts CAC 20-40%) Optimize landing pages — A/B test headlines, CTAs, form length (10-30% conversion lift) Activate referral program — Existing customers are your cheapest channel ($150-$600 vs $2K+ outbound) Fix lead scoring — Sales time on bad leads = wasted CAC. Score ruthlessly.

Medium-Term (90 days)

Build content moat — SEO compounds. Every ranking page reduces future CAC Automate nurture sequences — Drip campaigns convert leads without sales time Partner channel deals — Revenue share with complementary products Product-led growth hooks — Free tier, trials, freemium → organic conversion Retargeting optimization — 70% cheaper than cold acquisition

Strategic (6+ months)

Brand building — Strong brand = lower CAC across every channel Community — User communities generate organic referrals Product virality — Built-in sharing, team invites, network effects

Cohort Analysis Template

• For each acquisition cohort (monthly):
• Cohort size (new customers)
• Total acquisition spend
• CAC per customer
• Month 1 revenue
• Month 3 cumulative revenue
• Month 6 cumulative revenue
• Month 12 cumulative revenue
• LTV at 12 months
• LTV:CAC at 12 months
• Payback month achieved (Y/N, which month)
• Retention rate at 12 months
• Flag: Any cohort where LTV:CAC < 2:1 at 12 months

Output Format

Present results as: CAC Summary — Overall CAC, trend (up/down), LTV:CAC ratio Channel Breakdown — Table ranked by efficiency (best CAC first) Benchmark Comparison — How you stack up vs industry Top 3 Reduction Opportunities — Specific, actionable, with estimated impact 90-Day Roadmap — Prioritized actions with expected CAC reduction % Built by AfrexAI — AI context packs for business operations ($47/pack) More tools: AI Revenue Calculator — Find where you're losing money Agent Setup Wizard — Deploy AI agents in minutes Context Pack Store — Industry-specific AI agent configs