In January I got shadowbanned from r/SaaS for a week.

A shadowban is a particularly demoralizing kind of moderation action. Your account looks fine to you. Your posts and comments show up on your profile when you're logged in. But to everyone else, they don't exist. You spend a week replying to threads, feeling like you're being ignored, until you log out in a private browser and realize none of your replies were visible to anyone but you.

I appealed the ban politely. The mod replied within a day. The reason was specific: in a span of four days, I'd left twelve comments on r/SaaS, eleven of which linked to my own product, and I'd done it in a way that pattern-matched to "self-promoter who happens to be answering questions" rather than "member of the community who happens to have built a tool."

I had been doing exactly that. I just hadn't known there was a pattern, or that the mods were that good at spotting it. The conversation with that mod is most of what I know now about how to do founder-led marketing on Reddit without becoming That Guy.

This post is the lessons. It's also why every tool that promises "AI replies at scale on Reddit" is selling you a banhammer with extra steps.

Why subreddits have no-promotion rules

Reddit's community economics are simple. Subreddits are run by unpaid mods who do it because they like the topic. Their main job is keeping the signal-to-spam ratio above a threshold where smart, engaged readers keep showing up. If the spam rises, the smart readers leave. Once the smart readers leave, the subreddit dies, and mods do not enjoy watching their community die.

So the rules are not personal. The mods of r/SaaS don't dislike SaaS founders. They were SaaS founders themselves, mostly. The rules exist because, over the years, hundreds of SaaS founders have shown up and turned the subreddit into a billboard, and the only response that scales is "no promotional posts, no link drops, no self-referential answers."

This is also why "I'm a founder building X, what do you think?" with a link gets removed on sight in most subreddits. The mod doesn't know if you're earnest. They know that ninety percent of the posts that look like yours are not earnest, and the cost of letting through the ten percent who are is that the subreddit gets worse.

The rule for founders is: assume the mod is right. Their job is the subreddit; your job is your company. The way to get into a subreddit without being That Guy is to be a community member who happens to have a product, not a product that happens to be in the community.

The four signals that get you banned

The mod walked me through these. They're the ones their team flags on:

1. Single-subject account. Every comment in your history is about your category, your company, or adjacent SaaS topics. No comments about cooking, video games, dad jokes, or whatever else humans actually post about. The account reads as a marketing alt, not a person. Fix: post about other things you genuinely care about. Be a person.

2. Comment-with-link-in-comment. You answer a question, and the answer ends with a link to your tool. Doing this once is fine. Doing it three times in a week, across three threads, is the strongest single signal of a self-promoter. Fix: most answers should not contain your link. If your tool is genuinely the answer, mention it by name without a URL; let the curious go find it.

3. Recently-created account. An account created last month with twelve comments, all about the same SaaS topic, is the textbook "marketing alt." There's no fix for this one besides time. Use the account you've had for years, even if you've never used it for work. Don't make a new "professional" account.

4. AI-flavored writing. This one is newer, and it's why I'm writing about it. Subreddit mods have learned the tells the same way regular Reddit users have. "Great question, I love how you framed this — happy to dig deeper into your use case" gets your reply held for review or removed outright. The reply doesn't have to be obviously AI; it has to merely feel like the kind of thing a person trying to sound helpful but slightly forced would say. Fix: see Post 4. Sound like you, not a competent generalist trying to be helpful.

There's a fifth signal, which is volume. Twenty replies in a week is too many, even if the other four signals are clean. Pace yourself. Two or three a day is fine; the subreddit gets used to your handle as a regular contributor, not a sudden firehose.

Why most "AI reply tools" get you in trouble

The tools I've watched founders try fall into two camps.

The auto-posters. Some tools will literally post for you. You set up rules — keywords to watch, subreddits to monitor — and the tool generates and posts replies on threads that match. This is the fastest possible way to get banned from every subreddit you target. The pattern is unmistakable: an account that replies within minutes, on every relevant thread, with similarly-structured AI-flavored copy. Mods spot it in a week. Bans are usually permanent. Even when the account isn't banned, the subreddit's algorithm shadows them so hard that the replies might as well not exist.

The draft-and-paste tools that don't know your voice. These are the ones that produce the AI smell I wrote about in Post 4. You're posting manually, so the bot detection doesn't flag you. But every reply reads as "I had this drafted for me," which the mod team and the savvier readers can spot. You don't get banned, but your replies get ignored. The reps don't compound because the reps don't connect with anyone.

The pattern that actually works — and the one we built Thread Otter around — has three properties:

Every reply is reviewed before it sends. Not "approve in batch," not "rules-based auto-send when confidence is high." Every reply, every time, the founder reads and hits send. This is why we don't ship an auto-post mode, and why I get the occasional email asking us to. The auto-post mode is the feature that breaks the product's reason to exist.
Drafts are grounded in your real product context and your real writing. So they say true things about your product (see Post 3) and sound like you (see Post 4). The whole pipeline is built to remove the markers that mods learn to flag.
The product helps you pace. You can see how many replies you've sent in each subreddit this week. If you're trending toward the volume signal, the dashboard tells you. The discipline of "not too many at once" is enforced by visibility, not willpower.

Three rules for showing up in the community

For founders who want a checklist instead of a philosophy:

1. Spend more time replying without your link than with it. Aim for a 4-to-1 ratio. Four comments where you're just helpful, no product mention, no URL, for every one that involves your tool. The four are the ones that earn the right to do the one.

2. Read the rules of the specific subreddit, every time. r/SaaS, r/startups, r/Entrepreneur, r/SideProject, and r/microsaas all have different rules and different cultures. The wording the mod uses in their flair is a hint at what they care about. Read it. The five minutes saves you a permanent ban.

3. When you do mention your product, name it without a URL. "I built a tool called X that does this" is fine. "Check out [link]" is asking to be removed. The interested reader will Google it. The mod will see that you're not link-dropping. Everyone wins.

What this is not

It's not a guarantee of mod-approval. Mods are humans; some are stricter than others. A reply that's fine in r/SaaS might be removed in r/startups. The framework helps you stay in the safe lane; it doesn't put you bulletproof on every subreddit.

It's not a substitute for being a real member of the community. The four signals above are about not looking like a marketer. The actual goal is to not be a marketer in the room — to be a builder who shows up because they like the conversation, who happens to have a product the conversation occasionally calls for.

It's not legal advice or terms-of-service interpretation. Reddit's official rules are linked from every subreddit's sidebar; read them.

If you've been on the edge of getting banned

You probably already know if you have. The signal is a feeling: you're replying because you "should" be posting, not because the thread asked a question you actually had an opinion on. The comments are slightly forced. The link at the bottom feels mandatory.

Thread Otter is built so that flow is hard to sustain. Drafts are grounded in your product, written in your voice, paced by what you've already sent. Auto-posting is not a feature. The first 100 Solo signups lock in $19/mo for life — the Founding 100 cohort, counter live on the pricing page.

threadotter.com/pricing

The week I was shadowbanned was a useful one, in the way that being told something to your face is useful. The mod was right about every signal. The lesson I took home is the one this whole product is built on: the way to do founder-led GTM on Reddit is to be the founder, not the marketer. Tools that make it easier to be the marketer are tools that get you banned. Tools that make it easier to be the founder are the ones that compound.