How to Read Subreddit Rules Without Getting Your Post Removed

Every subreddit has its rules in multiple places, and you need to check all of them:

The sidebar (on desktop, or 'About' tab on mobile) contains the main rules list. This is the first place to check.
The wiki (reddit.com/r/subreddit/wiki) often has expanded guidelines, FAQs, and posting guides. Not all subreddits have wikis, but the ones that do usually contain critical information.
Pinned posts at the top of the subreddit may contain temporary rules, event-specific guidelines, or links to important announcements.
Post flair requirements are sometimes only visible when you try to create a post. Some subreddits require specific flair that you must select before posting.

While every subreddit is different, most rules fall into these categories:

Content restrictions: What types of posts are allowed (text only, links allowed, image posts, etc.)
Self-promotion limits: How much of your content can be self-promotional (often stricter than Reddit's site-wide 10% rule)
Posting frequency: How often you can post (many subreddits limit to once per week or once per month for promotional content)
Required format: Specific title formats, mandatory flair, required information in the post body
Karma/account age minimums: Many subreddits require minimum participation levels

Beyond the official rules, every subreddit has unwritten norms that you can only learn by observing. Spend at least a week reading posts and comments before contributing.

Notice the tone: is the community casual or professional? Sarcastic or earnest? Do people write long, detailed posts or short, punchy ones? Are emojis used or frowned upon?

Check what gets upvoted versus what sits at zero. The community's voting patterns tell you more about their preferences than any rule list. Sort by 'Top - This Month' to see what the community currently values most.

If you want to share your product, look for these specific signals in the rules:

Dedicated promotion threads: Many subreddits have weekly 'Share Your Startup' or 'Self-Promotion Saturday' threads. These are your safest option.
Flair-based promotion: Some subreddits allow promotional posts if you use a specific flair like 'Show and Tell' or 'My Product.'
Value-first requirements: Some subreddits allow promotion if the post provides genuine educational value beyond just promoting the product.

If the rules don't mention self-promotion at all, that usually means it's either not allowed or highly restricted. Message the moderators to ask before posting.

If your post is removed, don't panic or repost immediately. Most removals include a message from AutoModerator or a moderator explaining why. Read it carefully.

Common removal reasons: missing flair, account too new, karma too low, title format violation, content type not allowed, or self-promotion outside of designated threads.

If you disagree with the removal, send a polite message to the moderators via modmail (not a private message to individual mods). Explain your post and ask what you could change to make it acceptable. Most moderators are reasonable and will work with you if you're respectful.

Before hitting submit on any subreddit, run through this quick checklist:

1. Have I read the sidebar rules completely?
2. Have I checked the wiki for additional guidelines?
3. Does my post match the type of content that gets upvoted here?
4. Am I using the correct flair?
5. Does my title follow any required format?
6. Does my account meet the age and karma requirements?
7. If promotional, am I posting in the right thread or using the right flair?
8. Have I been an active participant in this community (not just a poster)?

If you can answer 'yes' to all of these, you're almost certainly safe to post.