Courtyard.io: Cards & Comics

1. Download the app and sign up with email or your preferred account, then set your region and currency. 2. Search by franchise, set, issue, or grading company and apply filters for condition, price, and availability. 3. Buy items by adding to cart for instant purchase or join auctions to bid in real time, then track shipping in Orders. 4. Sell your collectibles by tapping Sell, scanning a barcode or entering details, uploading photos, and setting a fixed price or auction. 5. Manage your collection by importing items, organizing by series or grade, viewing portfolio value, and setting price drop and restock alerts. 6. Enable notifications to get updates on watched items, auction endings, and market movements from the price guide.