How do you disclose affiliation or conflicts of interest ethically?

Disclosure of commercial interest is not just a best practice on Reddit — it is an explicit expectation built into the platform's rules, enforced by Reddit's policies on spam and deceptive content, and reinforced by the Federal Trade Commission's guidelines on endorsements and testimonials. Failing to disclose when you have a financial stake in what you are posting is deceptive, and Reddit communities are quite good at detecting the omission through account history analysis and behavioral pattern recognition. The practical standard for ethical disclosure is simple: any time you post or comment about a product, service, brand, or content in which you have a financial or affiliative interest, you state that interest clearly at the start of the post or comment. If you are a founder, you say so. If you are employed by the company, you say so. If you receive compensation for promotion, you say so. The disclosure does not need to be lengthy or formulaic, but it does need to be present and prominent enough that no reader could miss it. A brief parenthetical like "(I work at X)" or beginning a post with "Full disclosure: I'm the founder of this product" satisfies the requirement. Crucially, disclosure is not just a legal safeguard — it is a trust-building tool. Communities respond differently to transparent commercial participants than to disguised ones. When someone openly identifies as representing a brand but then proceeds to answer questions helpfully and engage with criticism honestly, they earn a degree of goodwill that a covert marketer never could. Authenticity in combination with transparency creates the conditions for productive brand-community relationships on Reddit. Many subreddits have rules specifically requiring disclosure in the post flair or title, and moderators actively enforce these. Checking the rules of each community before posting to understand their specific disclosure requirements is part of responsible brand participation. Moderators who discover undisclosed commercial interest after the fact will remove the content, issue a ban, and sometimes make the example public, which amplifies the reputational cost of non-disclosure.