Case Studies

Client engagements and individual cold email campaigns I built and ran. Every number comes from the campaign's own Instantly or ReachInbox report.

Amazon Agency

karlkyamko.com/case-studies/amazon-brands-listing-audit

547 Emails → Closed $5K MRR Retainer

Closing a $5K MRR Retainer Through Targeted Amazon Brand Outreach

I built and ran the full sending setup; the first opportunity came in week one and later closed as a $5K MRR retainer.

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TikTok Shop Agency

karlkyamko.com/case-studies/tiktok-shop-growth

23 Opportunities Generated & $69K Pipeline

Fixing ICP Targeting to Generate 23 Opportunities and $69K Pipeline

Precision list building instead of generic scraping, on authenticated sending infrastructure.

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Meta Ads Agency

karlkyamko.com/case-studies/shopify-brands-meta-ads

8 Booked Calls & $80K Pipeline

Booking 8 Calls From 5,000 Hand-Checked Shopify Leads

Every lead checked against the ICP by hand before a single email went out.

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Cold Email

6 Opportunities & $30K Pipeline Value

Problem-Led Outbound

Leading with a problem the lead already feels generated 6 opportunities from 1,140 leads.

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Cold Email

4 Opportunities & $20K Pipeline Value

Myth-Led Outbound

Leading with a flipped belief earned a 28.57% positive reply rate and 4 opportunities from 729 leads.

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Cold Email

3 Opportunities & $15K Pipeline Value

Cost-Led Outbound

Leading with what the problem costs generated 3 opportunities from 766 leads.

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Cold Email

3 Opportunities & $15K Pipeline Value

Question-Led Outbound

Leading with one pointed question generated 3 opportunities from 718 leads.

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Cold Email

3 Opportunities & $15K Pipeline Value

Proof-Led Outbound

Leading with a before and after generated 3 opportunities from 737 leads.

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Cold Email

2 Opportunities & $10K Pipeline Value

Paradox-Led Outbound

Leading with a paradox generated 2 opportunities from 758 leads.

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Cold Email

2 Opportunities & $10K Pipeline Value

Trend-Led Outbound

Leading with a shift in the market generated 2 opportunities from 764 leads.

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Cold Email

1 Opportunity & $5K Pipeline Value

Detail-Led Outbound

Leading with one quiet, specific detail generated an opportunity from 786 leads.

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Cold Email

1 Opportunity & $5K Pipeline Value

Momentum-Led Outbound

Leading with how long a problem had been growing generated an opportunity from 747 leads.

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Supplement Brand

164 Creators Recruited for a Paid Creator Content Campaign

Recruiting 164 Cold Creators for a Paid Creator Content Campaign

Fully cold outreach recruiting TikTok Shop creators for a flat-fee paid campaign.

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Community

61 Cold Affiliates Joined the Community

Growing a Community by 61 Cold TikTok Shop Affiliates

Fully cold outreach that grew a TikTok Shop affiliate Discord community by 61 members.

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SaaS

69 Creators Recruited for a Paid Creator Campaign

Recruiting 69 Cold Creators for a SaaS Creator Tool

Fully cold outreach recruiting TikTok Shop creators to showcase a trend-research tool.

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Podcast

38 Cold Affiliates Booked as Podcast Guests

Booking Cold TikTok Shop Affiliates as Podcast Guests

Fully cold outreach booking TikTok Shop affiliates with 1M+ GMV as podcast guests.

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SaaS

karlkyamko.com/case-studies/stellarverifier

Live SMTP Verification Engine — $0 Per-Verification Cost

StellarVerifier: Building a Proprietary Email Verification Engine From the Ground Up

An email verification product I built end to end, with a live SMTP verification engine.

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