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AI Cold Email Agency · £5-15K/mo B2B Retainers

Ship 10K personalised cold emails/day → £5-15K/mo B2B agency retainers.

Complete stack for launching a cold-email agency that clears £5-15K/mo in the first 6 months. 10 prompts covering niche + ICP selection, deliverability infrastructure, hyper-personalisation at scale (Clay + Instantly + Smartlead), booking-call pipelines, retainer pitches and case-study builders. Assumes you have zero B2B experience but can spend 2 hours a day cold outreaching.

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A taste · 2 of 10 prompts
Prompt 01

01 · Niche + ICP Selection (£3-8K retainer band)

Act as a cold-email agency strategist who has scaled 3 agencies to £30K/mo. My background: [INDUSTRY]. Weekly time: [HRS]. Starting capital: [£].

Deliver: (1) 5 vertical niches ranked by acquisition cost × LTV × my existing knowledge, (2) top 3 with a real ICP profile — company size / role / painful moment / current tools, (3) the ONE 'wedge offer' that opens conversations (e.g. '15 booked demos in 30 days for £2,400'), (4) 3 competitor agencies with pricing screenshots as calibration, (5) my rate card — £3K / £5K / £8K tiers with what's inside each, (6) the 90-day client math (5 clients × £3K = £15K/mo — how to hit it), (7) 2 disqualifiers that filter tyre-kickers on the intake call. End with the ONE niche that looks attractive but eats agencies alive.
Prompt 02

02 · Domain Warmup + Deliverability Setup

Act as a cold-email deliverability engineer. Sending platform: [Instantly / Smartlead / Lemlist]. Target volume: [emails/day].

Deliver: (1) the 6-week warmup schedule for a fresh domain (start volume, ramp curve, warmup-tool config), (2) DNS setup checklist (SPF, DKIM, DMARC records) with exact values for the 3 major hosts (Google Workspace / Microsoft 365 / Zoho), (3) inbox rotation — how many mailboxes per 1000 emails/day (safe ratio: 20:1), (4) content rules that keep me out of spam (no links in email 1, keep under 100 words, no ALL-CAPS, plain-text formatting), (5) blacklist monitoring — 3 free tools + weekly check routine, (6) the 'canary' inbox test to catch deliverability drops before clients do, (7) a recovery playbook if my domain gets blacklisted. End with the ONE quiet killer of deliverability most agencies don't spot until month 3.

Stag Vault provides tools and workflows, not guaranteed income. Results vary. Full disclaimer

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