Community guides
How to comment in 100 Reddit communities
Each subreddit rewards different things — r/personalfinance wants step-by-step education, r/streetwear wants attitude, r/science wants citations. Pick a sub below for the short rules, the one Pro-Tip that gets posts removed, and a real-world example of someone doing it right.
Business
Technology
Beauty
Home Improvement
Methodology: strategies synthesized from Redimates' subreddit-culture-tag map, with inspiration from HubSpot's Reddit Marketing Mastery: 100 High-Value Communities playbook. Real-world examples from HubSpot's The Do's and Don'ts of Reddit Marketing. Written by Sean Tian · Last updated 2026-05-14.