I don't use it, but I think others recommend using "Movies Anywhere" that keeps all your purchased movies in a Library. I think it was mentioned on the Vudu/Fandango website when they were doing their transition. It was near the bottom of the page if I recall correctly.
Roku Community Streaming Expert Just another Roku user... I am not a Roku employee. Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102