Depends on the subreddit. Most of them are, as you say, filled with kids. The problem with that is if you ask for a product recommendation, they interpret that

Depends on the subreddit. Most of them are, as you say, filled with kids. The problem with that is if you ask for a product recommendation, they interpret that as "what's the cheapest X", which gets pretty annoying depending on what you're trying to buy. However, reddit in my experience is great with niche things with smaller subreddits, like /r/hometheater and /r/fatfire .