Kyle Vallans

Your Inbox Is the Product

In just 2 days and 14 hours, I received 39 emails after signing up for a single opt-in on MarketBeat.com.

Screenshot 2026-03-31 at 11

That includes emails from:

Excluding the promotions tab (which has even more), this is what my primary inbox looks like:

Screenshot

Let’s break that down.

39 emails in 2 days and 14 hours = ~1 email every 1 hour and 37 minutes.

And that’s without engaging.

If I were actively opening emails, this number would be significantly higher.

Why?

Because they use triggered sends.

The moment you open an email, they know you’re in your inbox… and they immediately follow up with another offer while you’re “hot.”

In 2025, MarketBeat did over 50m in revenue.

This is part of the reason why.

They don’t “send newsletters.”

They run an email monetization machine.

Also worth noting…

I didn’t:

If I had?

My inbox would be completely overwhelmed… likely hundreds of emails deep within days.


Their goal is simple.

That’s the engine.

Acquire a subscriber → monetize them aggressively → reinvest into more acquisition.

As long as the lifetime value of a subscriber is higher than what they paid to acquire you…

They can keep scaling this indefinitely.