Hi @Reverand2, thanks for messaging the Community.
Once the files are on Dropbox, via the camera uploads feature, you can copy them to another folder on your computer, or a memory stick.
Deleting the files from the Dropbox site or the Dropbox folder on your machine (when the Dropbox desktop application is installed) would ensure the files are deleted from your account as well.
If you have any further queries, feel free to message back.