You have to aggressively market it and always beat out your competition to attract customers and traffic.
One of the ways is selling across multiple eCommerce platforms. Then you realize that managing all your products and orders for the different marketplaces can quickly become a mess, unless you have powerful Multi-Channel Ecommerce Management tool for accurate, consistent product listings across all of your sales channels, which allows:
Etsy is an eCommerce website focused on handmade or vintage items and supplies, as well as unique factory-manufactured items.
Many people find it very attractive as:
So Etsy seems to be a good try to become a part of your powerful Multi-Channel Ecommerce Management tool until you faced with its limitations while integrating it to your system.