Crosslisting
Listing the same item on multiple platforms simultaneously to maximise exposure and sell faster. The core value proposition of tools like Shopfront. Requires inventory sync to avoid double-selling.
Where you'll see this
This term is commonly used on:
ebaydepopgrailedfacebook-marketplace
Put this into practice
Shopfront handles the hard parts of crosslisting and inventory sync so you can focus on finding and selling.