InterviewApril 2026

How I Survived 26 Projects to Build an End-to-End Reddit & X Marketing SaaS

A Case Study on Alex Belogubov and Replymer

Hello! Who are you and what business did you start?

I’m Alex Belogubov, an indie hacker and the founder of Replymer.

Replymer is an end-to-end organic social marketing tool specifically built for SaaS founders, growth teams, and agencies. We monitor platforms like Reddit and X (formerly Twitter) 24/7 for high-intent keywords related to your product. But unlike standard social listening tools that just give you a feed of mentions, Replymer actually does the work.

The biggest misconception about Replymer is that it's just an AI spam bot. It isn't. I built a hybrid human + tech system. We use technology to monitor 1.1M+ mentions and filter out the noise, but human writers craft and review every single reply using Claude and GPT as assistants. This ensures we match the specific tone of each subreddit, avoid sounding like a spammy ad, and naturally weave your product into the conversation.

We operate on a flat-fee pricing model, meaning founders can scale their organic lead generation without getting punished by arbitrary per-post limits or credits.

In just seven months since starting from scratch in October 2025, Replymer crossed $10,000 in Monthly Recurring Revenue (MRR). But getting here wasn't a straight line. Over four years, I launched 26 different projects, failed constantly, and used the lessons from those failures to build Replymer.

What's your backstory and how did you come up with the idea?

If you look at my first year of indie hacking (2021), my total revenue was exactly $0.

I built product after product—26 in total over a four-year span. I built naming tools, AI image generators, and text-to-speech apps. The reality of indie hacking is that you have to kiss a lot of frogs. Out of those 26 projects, only 8 generated revenue. However, by treating every failure as a data point, I eventually crossed $115,000 in total revenue.

My early wins taught me exactly what the market needed:

MentionTools.com: My first profitable SaaS in 2023. It took 16 launch attempts just to hit $3K MRR.
Refgrow.com: An embeddable affiliate software for SaaS (a simpler alternative to Rewardful). I grew this to $6.5K+ MRR through manual outreach and self-referrals.
ReplyGuy: An earlier product in the reply-marketing space that I scaled to $10K MRR before eventually selling it.

The "Aha" Moment for Replymer While growing Refgrow and my earlier products, I proved to myself that organic replies on Reddit and X actually work for customer acquisition. I would manually find people asking for affiliate tools or SaaS growth hacks and reply to them. It drove real signups without paid ads.

But the manual process was brutal. I spent hours daily scanning threads, faced the constant risk of bans for self-promotion, and couldn't scale it. Competitors were swarming these conversations, and paid ads were too expensive.

I realized founders needed authentic, human-quality recommendations at scale. In October 2025, after a previous venture expired, I immediately started building Replymer from scratch to solve this exact pain point.

Take us through the process of building the product.

Building an automation tool for platforms like Reddit is incredibly tricky. Redditors are notoriously hostile to marketing. If you act like a corporate robot, you will get downvoted into oblivion and your account will be banned.

The Tech & The Human Moat

I realized early on that pure AI replies get flagged. The secret sauce—and our primary moat—is that the system is deliberately not fully automated.

Here is how I built the hybrid system:

Onboarding: You share your product details, target keywords, audience, and style guide in a 5-minute form.
Monitoring: Our team and automation scan millions of mentions across Reddit and X, filtering for high-value threads only (quality over quantity).
Human Writers: A real person crafts and reviews every reply to ensure it is "helpful, specific, and respectful," using AI strictly as an assistant.
Publishing: We publish from credible accounts in our network (or your own). We don't drop a link in every reply—we focus on natural recommendations.
Dashboard & SEO Replies: You track everything. We recently added an "SEO Replies" feature, which specifically targets top-10 Reddit threads that rank on Google, turning Reddit comments into long-term Google traffic.

Describe the process of launching the business.

I am a massive believer in building in public, mostly on my X account (@AlexBelogubov). Because I already had an audience of 12K+ followers (mostly founders who hang out on Reddit and X), my launch was highly targeted.

I launched Replymer quietly around October/November 2025. I hunted it myself on Product Hunt and shared transparent updates. Because I was solving a massive pain point for founders tired of expensive ads, the traction was instant.

By Month 1, Replymer hit $6,350 MRR.

Pricing Strategy

To maximize conversion, I set up clear, value-driven pricing:

Since launch, what has worked to attract and retain customers?

The journey from $6K to $10K MRR was not smooth. In fact, I hit a massive wall. Here are my raw MRR numbers:

| Timeline | MRR | Notes | | :--- | :--- | :--- | | Month 1 | $6,350 | Initial traction | | Month 2 | $7,250 | | | Month 3 | $7,352 | | | Month 4 | $7,446 | | | Month 5 | $6,308 | The Dip | | Month 6 | $6,462 | | | Month 7 | $10,086 | +56% jump in 30 days |

For four months, I was stuck around $7K MRR, and in Month 5, I actually lost revenue. The massive 56% jump in Month 7 came from one major realization:

1. Dogfooding the Product in Public

I realized I wasn't using my own product enough. I started using Replymer to grow Replymer, specifically focusing on X (Twitter). I published daily replies on X using my own tool and documented the results publicly.

The results were insane. The X replies created an immediate sales pipeline. Every reply became both marketing and QA for the product. Turns out, the best way to sell a product is to use it in public.

2. Platform Nuance: X vs. Reddit

Through dogfooding, I learned a crucial lesson about the platforms. X is for speed; Reddit is for SEO. Using Replymer on X led to faster conversions and immediate sales. Using it on Reddit builds long-term visibility, especially now that AI engines like ChatGPT and Perplexity cite Reddit heavily. I now advise my users not to default to Reddit just because "everyone says so"—use X for quick wins and Reddit for the long game.

3. Product-Led Content & No Paid Ads

I don't run paid ads. It's a pure organic loop. I started publishing detailed bottom-of-funnel content, like "The 12 Best Reddit Marketing Tools in 2026," positioning Replymer as the expert alternative to purely automated competitors.

Through starting the business, have you learned anything particularly helpful or advantageous?

Survive the flat part. Growth compounds, but only if you don't quit during the plateau. Stagnating at $7K for four months (and even dipping) was demoralizing, but persistence led to the breakthrough.
Human quality wins over pure AI. Everyone is trying to build 100% automated AI agents. But pure AI gets flagged, banned, and ignored. A hybrid system where humans review the output creates a massive moat in quality and conversion.
Use your own product ruthlessly. The cleanest growth loop I've found is: Build -> Use it publicly -> Let distribution become the product. My MRR didn't explode until I started showing people exactly how I was using Replymer to generate 8,000 comments a month.
Serial building pays off. Replymer wasn't a lucky first try. My experience building MentionTools, Refgrow, and ReplyGuy gave me the audience, the customer insight, and the resilience to scale Replymer to $10K MRR in just seven months.

What platform/tools do you use for your business?

Claude & GPT: The backend AI assistants that help our human writers draft context-perfect replies.
Refgrow: My own tool, used to run our affiliate and referral programs.
Product Hunt / X (Twitter): My primary distribution and community-building engines.
Stripe: For handling our flat-rate, recurring subscriptions.

What advice do you have for other indie hackers who want to get started?

Be prepared for the long game. My first year (2021) brought in absolutely no income. If I had quit, I never would have seen the six-figure exits or the $10K MRR of Replymer.
Build something you can dogfood. If you can't use your own product to grow your product, you are playing on hard mode. Eat your own dog food, publish the results, and repeat. The numbers don't lie.
Learn from your graveyard. Every failed project is a lesson in marketing, coding, or user psychology. Out of 26 projects, only 8 worked. But the failures taught me exactly how to succeed when the right idea (Replymer) finally came along.

Where can we go to learn more?

Product: replymer.com
Founder X (Twitter): @AlexBelogubov