Q.After harvesting sweet potatoes
After harvesting, what do I do with the vine? Can I plant it to start a new batch or do I re-start the whole process again. I want to have a constant batch of potatoes available.

https://www.gardeningknowhow.com/edible/vegetables/sweet-potato/grow-sweet-potatoes.htm
https://www.gardeningknowhow.com/edible/vegetables/sweet-potato/harvesting-sweet-potatoes.htm
https://www.gardeningknowhow.com/edible/vegetables/sweet-potato/sweet-potato-plant-starts.htm
https://www.gardeningknowhow.com/edible/vegetables/sweet-potato/sweet-potato-container-crops.htm
You can root the slips and continue this process if your weather allows.