Ah, then you’re farther along than I am, but I’m glad I could introduce you to an app with powerful features you can make use of. I hope to take the plunge into the world of self-hosting before too much longer.
Pro tip: You can host FTP servers from your phone. You can access that from your computer’s file manager and just drag and drop things on and off of your phone.
To each their own, it’s pretty infrequent that I think about my phone’s file system at all.