eBay built you a sales channel, but it kept the relationship. Buyers are eBay's customers, not yours, and that is the single biggest reason power sellers move to their own website. The good news: you can leave and take the value with you.
1. Export what you already own
Your product catalog, order history, and customer contacts are yours. Before anything else, export listings, images, and the buyer data eBay does allow you to download. This becomes the seed for your new store.
2. Rebuild the catalog on a platform you control
Whether that is Shopify, WooCommerce, or a fully custom build, every product, variant, and image moves across with mapping you can verify before launch. Nothing has to be retyped by hand.
3. Protect your SEO with redirects
If you have any indexed eBay pages or an old site, 301 redirects carry that ranking authority to the new store so you do not start from zero in search.
4. Bring customers across with a reason
A launch offer, loyalty perk, or simple "we moved, here is 10 percent off" turns marketplace buyers into direct, repeat customers who never cost you a marketplace fee again.
The payoff
Once you own the store, you own the customer list, the data, and the margin. No more 10 to 18 percent per sale, and no risk of an overnight suspension ending your business.