Transition from cloud to lacal

currently using cloud but looking at transitioning to local, but would still like to use rclone and my seed box in a similar manner to how i set it up now.

currently i use arr's to manage my media, download goes to client, arr moves it to a local mount, script runs to upload to cloud. (this is done on a seedbox which i want to keep)

i'd like to keep the same general setup, but instead have rclone script to move it to local nas instead of cloud.

my question is does anyone have an idea or method of this that works well and is relatively simple to set up. and potentially what i may need to change in my scripts. bare in mind i am not great at scripting, but do always find a way to stumble through it. i assume, it would be as simple as setting up a 'mount' on the seed box and having a local mount, looking for best practices on how to do this. any information or ideas is greatly appreciated
anyone have an idea