Blog.

Insights on email marketing, outbound, and what drives results.

How We Helped SaasRise Go from 260 to 370 Members in 11 Months ($1.5M to $4.2M ARR)

Brand omnipresence, deep AI personalization, and 1.16M cold emails took SaasRise from 260 to 370 members and grew ARR from $1.5M to $4.2M in 11 months.

May 26, 2026John Reese12 min
Out-of-Office Replies Are Quietly Killing Your Cold Email Deliverability

Founder Notes

Out-of-Office Replies Are Quietly Killing Your Cold Email Deliverability

featurecold emaildeliverabilityoutbound

What to do when a prospect is on vacation, and why most outbound tools get it exactly wrong.

Jun 28, 2026Cristian Frunze5 min
Why Your Cold Email List Is Smaller Than You Think

Founder Notes

Why Your Cold Email List Is Smaller Than You Think

data qualityfeaturelead generationcold email

The funnel math behind list building: most raw leads never survive enrichment, verification, and qualification. So a good list gets built 5 to 10 times big...

Jun 26, 2026Cristian Frunze7 min
Should You Track Email Opens on Cold Email? (We Turned It Off)

Founder Notes

Should You Track Email Opens on Cold Email? (We Turned It Off)

featurecold emaildeliverabilityemail tracking

Why open tracking taxes your deliverability, where it still belongs, and how to read 'they opened it 3 times and ghosted you.'

Jun 24, 2026Cristian Frunze8 min
Why AI Personalization Gets Your Cold Email Flagged as Spam (And How to Fix It)

Founder Notes

Why AI Personalization Gets Your Cold Email Flagged as Spam (And How to Fix It)

ai personalizationfeaturecold emaildeliverability

The traits that make AI-written outreach sound impressive are the same ones spam filters were trained to catch.

Jun 22, 2026Cristian Frunze5 min
Choosing between a stack of cold outreach tools and a done-for-you service

Comparisons

Clay Alternatives in 2026: When a Tool Isn't the Answer

The best Clay alternatives in 2026, compared honestly - plus the real cost math and the done-for-you option most lists skip. Find the right fit for your team.

Jun 21, 2026Cristian Frunze10 min
How to Write and QA Cold Email at Scale

Founder Notes

How to Write and QA Cold Email at Scale

featurecold emaildeliverabilityai

The system our team uses to keep quality from sliding as volume grows: human frameworks, AI drafting, an automated review gate, and a human approval at the...

Jun 21, 2026Cristian Frunze7 min
Cold Email Agency vs. In-House SDR: The Real Cost Comparison (2026) — Ken AI

Comparisons

Cold Email Agency vs. In-House SDR: The Real Cost Comparison (2026)

Cold email agency vs. in-house SDR, by the numbers: the fully-loaded cost of a rep, ramp, turnover, and what a done-for-you service really costs in 2026.

Jun 18, 2026Ken AI Team12 min
What Is Done-for-You Cold Email? (And How It Actually Works) - Ken AI

Guide

What Is Done-for-You Cold Email? (And How It Actually Works)

Done-for-you cold email, explained: what is included, how it works, what it costs, and how it compares to DIY tools and hiring an SDR.

Jun 17, 2026Ken AI Team9 min
The best cold email agencies for B2B in 2026, compared

Comparisons

12 Best Cold Email Agencies for B2B in 2026

The 12 best cold email agencies for B2B in 2026, compared by specialty, pricing, pros and cons, and who each one is best for.

Jun 7, 2026Cristian Frunze16 min
Cold Email Agency: The Complete Guide to Done-for-You Outreach (2026) — Ken AI

Guide

Cold Email Agency: The Complete Guide to Done-for-You Outreach (2026)

What a cold email agency does, why it beats DIY tools and hiring an SDR, what it costs, and how to choose one — the complete done-for-you guide for 2026.

Jun 7, 2026Ken AI Team14 min

Case Study

How We Hit 600K+ LinkedIn Impressions in 72 Days by Just Being Real

A 5-person team, no marketing budget, and 72 days of documenting the actual work — how we crossed 600K LinkedIn impressions by writing the way we talk.

May 26, 2026John Reese10 min
What an Agent Army Actually Costs When You Run It for Real

Founder Notes

What an Agent Army Actually Costs When You Run It for Real

The agents found almost 2,000 potential bugs. Investigated 747. Identified 445 unique root causes. Fixed 70. $750 in API tokens.

May 02, 2026Cristian Frunze7 min
Outbound strategy meeting

Strategy

How we booked 300 Meetings per day.

Scaling a sales operation from a few dozen meetings a week to 300 meetings every single day is about re-engineering the entire outbound ecosystem.

Mar 19, 2026John Reese20 min
The Bet: Owning the Entire Cold Email Stack

Founder Notes

The Bet: Owning the Entire Cold Email Stack

We're an 8-person startup trying to build what most companies staff 50 engineers to maintain. Here's why we're doing it anyway.

Mar 04, 2026Cristian Frunze4 min
What 6 Months of Weekly Advisor Calls Taught Me About Building a Company

Founder Notes

What 6 Months of Weekly Advisor Calls Taught Me About Building a Company

I thought I was getting a strategy partner. I got something more useful: someone who kept asking me better questions.

Feb 19, 2026Cristian Frunze5 min
AI Made Me Addicted to Productivity

Founder Notes

AI Made Me Addicted to Productivity

Last week I looked up and realized I hadn't stopped working in 14 hours. Not because I had to. Because AI made it impossible to stop

Feb 19, 2026Cristian Frunze5 min
GPT 5.3 vs Opus 4.6 vs Gemini 3 Pro vs Kimi K2.5 -  building a GTM system

Founder Notes

GPT 5.3 vs Opus 4.6 vs Gemini 3 Pro vs Kimi K2.5 - building a GTM system

I gave the exact same project to GPT, Claude, Gemini, and Kimi. It went exactly as expected

Feb 10, 2026Cristian Frunze10 min
Why I Stopped Trying to Build a SaaS

Founder Notes

Why I Stopped Trying to Build a SaaS

I was 6 months into planning a pivot. Then I realized the game had changed.

Feb 03, 2026Cristian Frunze3 min
I Left College and Traveled to 6 Countries in 30 Days. Here's What I Learned.

Founder Notes

I Left College and Traveled to 6 Countries in 30 Days. Here's What I Learned.

California. Ukraine. Switzerland. Austria. Czechia. Moldova. I didn't plan any of it.

Jan 28, 2026Cristian Frunze3 min
How I'm thinking about fundraising vs bootstrapping

Founder Notes

How I'm thinking about fundraising vs bootstrapping

Since I moved to Silicon Valley, the question people ask isn't "how much are your profits?" It's "how much have you raised?" At first this felt weird to me...

Jan 23, 2026Cristian Frunze6 min
What I think drove our growth last year

Founder Notes

What I think drove our growth last year

We grew revenue 10x, scaled from 3 to 16 people then back to 8. I also hit my money goals for the first time. When I look back at what actually moved the n...

Jan 08, 2026Cristian Frunze6 min
I turn down half my sales calls. Here's what changed.

Founder Notes

I turn down half my sales calls. Here's what changed.

What I learned from the deals I should have walked away from.

Dec 19, 2025Cristian Frunze3 min
The 4 things that need to be true before any growth channel works

Founder Notes

The 4 things that need to be true before any growth channel works

Ads, content, cold email - none of it works until these are in place

Dec 12, 2025Cristian Frunze4 min
Leading a team when you've never had a boss

Founder Notes

Leading a team when you've never had a boss

I’m 19, never had a manager myself and had to learn how to lead a team from scratch. Here’s what I’ve figured out.

Nov 27, 2025Cristian Frunze6 min
We spend 50% on R&D and take zero profit. Here’s why.

Founder Notes

We spend 50% on R&D and take zero profit. Here’s why.

Our margins would be 50% lower if we used external tools. Here’s how building your own product changes what you should spend on R&D, payroll, and marketing.

Nov 14, 2025Cristian Frunze6 min
How your documentation can do the work of 3 people

Founder Notes

How your documentation can do the work of 3 people

Your documentation is sitting there ready to become working AI agents. Here’s how we fed our help articles and SOPs to AI and cut operational time by 40%.

Nov 07, 2025Cristian Frunze7 min
How Your MVP Can Kill Your Growth

Founder Notes

How Your MVP Can Kill Your Growth

And when to rebuild before it’s too late

Oct 23, 2025Cristian Frunze8 min