Rolling cover; I had one on my F150. It was nice but no, you can not have multiple stops. It’s either opened or closed. I have laid the cover over my cargo (trim boards for a room) and it survived a 10 minute trip at highway speed. Issues I noticed in winter was you have to pound around the perimeter to break ice build up in the track. Yes, depending on how much snow has fallen you’d have to clear it before rolling it up. It was a great cover and I was going to go with that one on this truck but decided not to after reading several reviews across several platforms. The general conscious is bak has started to go down hill in craftsmanship and customer service.
I went with undercover ultra flex on this truck.