ServerWind

Product notes from the engine room

Alexandr Petrov · No. 01

Product manager · B2C SaaS · Monetization & retention

Product notes from the engine room.

I write about monetization, retention, and the unglamorous work of making small B2C software pay. Eight years inside one product, including a turnaround from near shutdown.

Open to remote PM roles in B2C SaaS (seed–Series A)

Q1 Now

Latest writing

All writing
Nov 2026

One of the Often-Forgotten Things in SaaS: What Happens After Payment

You track traffic, funnels, and conversions. But do you know what happens after someone pays?

5 min · Essay · SaaS
Nov 2026

What 31 premium accounts taught me about what users actually value

I audited the paying customers closest to renewal to find out why they looked passive. The data refused my hypothesis, and the roadmap changed the week after.

4 min · Case study · Discovery
Oct 2026

A product bet that sold zero

A PSC inspection guide for gas carriers. I said the niche was too narrow to carry development costs; the go/no-go was not mine.

3 min · Case study · Discovery

About

I have spent eight years inside one B2C SaaS for seafarers — first across content, SEO and development, then as the product manager. In January 2026 the owner was ready to close it. I took the product and the numbers.

I am not a developer, but I can read logs, diagnose a broken payment flow and ship the fix. That changes which decisions I am willing to make.

More about me →