Of course! Within ecomdash, you can create an auction listing and a fixed price listing for eBay.
If you click into the product details within inventory management of a SKU number and navigate to the storefront tab, you will see two icons for eBay.
Price Tag: This indicates fixed price. Click the price tag icon to queue up the fixed price listing.
Auction hammer: This indicates an auction listing. Click the hammer icon to queue up the auction listing.