In order to create a Custom Offer, please follow the steps below:
On your listings page, click on the avatar with a price tag button next to the chat balloon button as shown below:
On the listing page click on the Manage button
The Custom Offer window will open, add the title and description. Then, select the session duration, choose the delivery time. To finish the custom offer, set the offer expiration time, add the price, and click Add:
In the next window, you will be able to see your active Custom Offer. Click on the double clack sheets to copy the link) or copy it by selecting the whole link in its field) and share it with your buyers!