Each major classifieds platform has different strengths. The honest 2026 ranking:
Facebook Marketplace — largest active marketplace, broadest buyer pool. Strengths: massive reach, buyer/seller profiles (Facebook ID required), integrated messenger. Weaknesses: scammer-heavy, Facebook's algorithm hides good listings, no buyer protection for in-person sales.
OfferUp — second-largest, mobile-first, good seller-rating system. Strengths: in-app messaging, item shipping option (buyer-protected), integrated payments. Weaknesses: ad-heavy, ratings game (sellers buy fake good reviews).
Craigslist — still relevant for furniture, free stuff, gigs, housing. Strengths: free for most categories, no algorithm = chronological listing, strong "free" + "barter" categories. Weaknesses: dated UX, scammer-heavy especially for housing, no native verification.
Mercari — fashion + electronics focus. Strengths: shipping built-in, smooth payments, buyer protection. Weaknesses: 10% seller fees, lower-traffic for local.
Niche sites worth knowing:
- Reverb — musical instruments (best in class)
- Sideline Swap — used sports equipment
- Poshmark — clothing + fashion (10-20% fee)
- ThredUp — clothing consignment (they handle everything; pays less)
- Kidizen — kids' clothes
- Chairish — vintage + designer furniture
Most-overlooked: Local Buy Nothing groups on Facebook (give/receive within neighborhood, free, no scams).
Wikishopline Classifieds ($2 per 30-day listing) — designed for verified local sellers, no algorithm interference, simple posting. Use for higher-value items where you want commitment from posters (the $2 keeps spam out).
The fastest cross-posting strategy: Post on Facebook Marketplace + Craigslist + OfferUp + Wikishopline Classifieds simultaneously. First serious buyer wins. Don't price differently across platforms — buyers cross-reference.