YITH WooCommerce Auctions (Premium Plugin):
This is the best of extension offered at YIThemes.com. YITH WooCommerce Auctions Premium is a must for all WooCommerce store owners as it will let you go beyond your regular selling activities and allow you to create real online bidding portals like eBay and Etsy. Yes! You read it right. Using this extension, you can create an online portal like eBay.
YITH WooCommerce Auctions Premium Plugin allows you to create auction product and your customer will be able to fill bids on the frontend. If he/she is the highest bidder, the item will be sold to him. The whole process is nicely integrated with WooCommerce and you will not require any technical expertise to implement this. Kindly see the following pictures which are self-explanatory in most cases.
Also using another cool plugin from YIThemes- MultiVendor extension, you can allow your sellers list item on your website. Thus someone will sell the item and you can earn a commission out of their sales. Also, it has all the functions offered by big websites. Some of them are automatic bid raise, buy now, bid lists and auction lists.