The best website for buying and selling depends on whether you want to deal with local neighbors, a national niche community, or a massive global audience.

Ideal for high-volume sales. While it’s highly competitive, it offers massive visibility and professional fulfillment options through "Fulfillment by Amazon" (FBA).

The most versatile platform for new, used, and collectible items with over 132 million active buyers. It offers both auction-style and fixed-price listings.

A user-friendly "decluttering" app that covers everything from home goods to electronics with simple flat fees (typically 10%).

If you have a wide variety of items, these platforms offer the largest reach: