Stop Guessing How To Grow Klaviyo Revenue And Follow Playbooks That Already Won

From a Klaviyo Partner Agency that's generated $40M+ and tested strategies across 50+ brands since 2021 – ready for you (or someone you trust) to implement

Dear friend,Every founder eventually runs into this wall.For me, it took five years.I’ve realized: I’m not the right person to run Email Engineers.It’s not because I hate calls or working with my team. In fact, I like those moments more than any other.But over the past five years, I’ve lived two extremes.I've been inside Klaviyo 7 days a week.

Matias "Matt" Perelli

Shows eCommerce businesses how to extract more money from their email lists

Loading campaigns on a Saturday night at 11 pm. Checking segments. Scheduling sends. Setting up advanced logic.I’m good at it, but it drained me.So I moved to the other extreme.Then for the past year I was almost too removed.I was just writing my daily emails and steering from the outside.But I wasn’t inside client accounts enough to feel the pulse, to see what was working and what wasn’t.Neither version is the right version of me.Where I shine is somewhere in the middle.Being in the lab:Experimenting.Testing.Documenting.Turning those tests into Playbooks we can roll out to every client.That’s where my mind comes alive. That’s where we’ve gotten our biggest breakthroughs.That's Email Engineers' competitive advantage.That's what allows us to grab a Klaviyo account and subscriber list, and squeeze more revenue from it than any other agency or internal team can (according to Klaviyo's Benchmarks).But for the past year...

I've been fighting against my own nature

...and it’s burning me out.That is why my role moving forward will be more like a doctor in the lab coat.I’ll take 1 or 2 flagship accounts where I can run experiments, design A/B tests, push the boundaries.Then I'll turn those insights into Playbooks the growing team runs for other 10, 20, and eventually 30 accounts.It’s a feedback loop:I test hypotheses, ideas that come to my mind while at the gym, taking walks, in the shower, driving, reading science fiction, or in the sauna.I run those tests inside these flagship accounts.What was once an observation then becomes a Playbook.I hand that off to my Head of Strategy, who in turn hand off to all Senior Strategists.This, I figured out, is the only way to scale an agency capable of delivering results at scale.I’ll finally have peace of mind to think, read, and invent.And that’s how clients get the best of me, without me needing to be everywhere at once.It’s taken me five years of grinding, misalignment with my true self, and overwork to accept this:

I’m not the CEO type

I’m the tinkerer.The experimenter.The guy in the lab who figures out what works and writes it down.That’s where I’m most valuable.I think I’ve finally found the role I was meant to play.So that’s the future of Email Engineers.And candidly... admitting this feels like taking a 200-pound backpack off my shoulders.So here’s what I’ve decided.If my job moving forward is to experiment, test, and document…

Then why not share those Playbooks with you too?

Every time we run an A/B test that wins or crack a new strategy to increase sales, we document it.Until now, those Playbooks have stayed internal.We’d run them through the pods, across client accounts, and squeeze more revenue.But I’ve been thinking:What if every ecom brand could grab those Playbooks?What if other agencies could hand them to their Klaviyo strategist and run them tomorrow?Instead of just me in the lab handing them to my team...It could be me in The Lab handing them to you.Introducing...

LAB PLAYBOOKS

Here's how it works:Every time I run a test or experiment inside one of our flagship accounts and it wins, I document it.- Popup test that increased conversion rates by 18%? Documented.- Flow sequence that added $47,000 in monthly revenue? Documented.- Segmentation strategy that doubled purchase rate on a campaign? Documented.Then I turn it into a Lab Playbook.A literal step-by-step Playbook you can hand to your Klaviyo person (or run yourself) and implement tomorrow.The first 6 Lab Playbooks go live October 9th, next Thursday:

1) A ChatGPT prompt you can use to write a special code that improves your email deliverability

Simply give the prompt to ChatGPT, feel in the details, and it will instantly write a code you can use to help make sure your subscribers read your emails.We use this Playbook with every single retainer client we sign.

2) A collection of humor-based emails that make subscribers forget they are being pitched to

Some people may even buy from you just as a “thank you” for amusing them so much.We’ve sent hundreds of these emails, but this Playbook reveals the top 5 that generated the most sales.

3) The simple 4-word command that can turn ChatGPT into a marketing genius at explaining complex ideas and concepts

Use this Playbook whenever you're selling something with a lot of complicated mechanisms… terminology… or anything else that would normally be hard to explain to someone without a science degree.Supplements, beauty, skincare… we’ve even used it to sell mattresses!

4) The Perfect BFCM Playbook

The exact 5-year-in-the-making playbook we use to extract as much money as humanly possible from a list during Black Friday & Cyber Monday.This goldmine includes the exact calendar of what campaigns to send and when, and why to send them, plus OFFER ideas.If you’re unsure how to approach BFCM this 2025, simply copy this.

5) My “list reactivation” protocol for turning unresponsive subscribers into people who’re ready to open, read, and buy from any email you send their way

6) How to use Klaviyo to scientifically find the best offers to put in your emails, ads, and on your website

...That can generate twice as much revenue per visitor (1.97x more to be precise).

Agencies, you also get...

7) Referrals On Autopilot: How To Get The Best Clients You Can Possible Get (And For Free)

Includes the perfect time to ask a client for a referral...And a word-for-word script that can potentially land your agency more business than you can handle, all year long… without spending a penny on ads, content, or other lead gen.

8) How we retain clients for 18 months on average – a “micro” (yet highly-effective) tactic for keeping your clients excited about paying you month after month

This can create an almost goofily-loyal bond between your agency and your clients, so they don't go looking for other email copywriters or agencies to replace you.And possibly the most important of them all:

9) A special “1-2 punch” approval process that can make your agency's clients (1) happy to cooperate, and (2) eager to give you the critical feedback you need to create better emails for them...

Most clients drop their agencies because of dissatisfaction, lack of performance, or lack of interest – the problem is… some brands never give agencies the feedback they need to create better emails in their eyes.This Playbook shows exactly how we do it at Email Engineers so have clients eager to cooperate – includes the exact Slack messages we send.Each one includes the exact setup, the logic, the copy, the prompt – whatever you or someone needs to replicate it.And every time I run a new test that wins, you get that Lab Playbook too.This isn't a static course you buy once and forget about.It's the ongoing output of what I'm doing in The Lab.

So all in all, here's what you get:

- All 6 (or 9 if you get Agency Access) Lab Playbooks launching October 9th
- Every new Lab Playbook as I create them (usually 2-4 per month)
- And as a launch bonus: Immediate access to my flagship course Million-Dollar Klaviyo Flows (my flagship course on building high-converting sequences, normally sold for $597)The price?Rather than pull a Hormozi and charge you $6,000 for them, the launch price is merely...$40 per week for brands, or $70 per week for agencies.But only if you join before October 9th.After that, the price goes up to $50/week and $90/week respectively.

And here's the important part:

If you join before October 9th, you're locked in at $40/week or $70/week for as long as you stay a Lab Member.Grandfathered pricing so your rate never increases even when I raise it for everyone else.I'm capping this at 40 members for now because I don't know if I can support more than that while maintaining quality.If it fills up, I'll open a certain number of spots every month.

Who is it for?

If you're an ecom brand doing $10k+/month, one Lab Playbook that increases email revenue by 5% pays for itself multiple times over.If you're an agency managing client accounts, having tested Lab Playbooks instead of guessing makes you look like a genius.If you're a Klaviyo strategist, this is like having me looking over your shoulder showing you what actually works.Either the Lab Playbooks are useful enough to justify $40-70/week or they're not.I think they are.Our retainer clients pay us $4k-$6k/month and these are the exact same Playbooks we run for them.But I'm not you, so I can't decide what's worth it for your business.All I can do is show you what's inside and let you decide.Join before October 9th to lock in your low rate and get immediate access to Million-Dollar Klaviyo Flows below: