eBay

1. Download the app and sign in or create a free account, then add your shipping address and payment method. 2. Shop smarter: search or browse categories, apply filters, read item details and seller ratings, then choose Buy It Now, Bid, or Make Offer to purchase. 3. Check out securely and track your order from Purchase History, viewing shipment updates and contacting the seller in Messages if needed. 4. Start selling: tap Sell, add photos and details, set a fixed price or auction duration, choose shipping, and publish your listing. 5. Optimize your experience: save searches and set alerts, add items to your Watchlist, use coupons when available, and manage returns, messages, and payouts in the app.