Here are the steps to sell items on eBay:

1. Register an account on eBay and create a seller account.

2. Identify the items you want to sell and describe them in detail. Make sure you provide detailed item descriptions and pictures to help buyers understand the items better.

3. Determine your price and shipping costs. You can choose to set a fixed price for your items or use an auction format to sell items.

4. Post your items. When posting an item, you need to fill in information such as item description, price, shipping costs, and payment details.

5. Manage your sales. Once your items are posted on eBay, you need to track sales and respond to buyers' messages in a timely manner.

6. Complete transactions. Once your items are sold, you need to send the items to buyers in a timely manner and make sure they receive them.

7. Maintain your seller account. Make sure to respond to buyers' messages and process returns and refunds in a timely manner to maintain a good seller reputation.

Please note that eBay charges selling fees, which vary depending on your selling method and item category. Please read eBay's selling policies and fee structure carefully before you list your item.