You can do some researching on your own using cPanel. This will easily display all the files (doesn't count) but shows the disk usage size. But it can give you some quick answers to some of your questions.
On your cPanel in the Files section find
Disk UsageThis interface displays the following disk space usage summaries:
- Files that your home directory contains.
- Files that exist in hidden subdirectories.
- Mailing lists that Mailman manages.
- Files that your home directory does not contain.
Scroll down the page until you see
Sort Directories by:Click on the > (not the folder name) to expand for more details. This can be several levels deep.
If you click on the file name it will take you to the file manager.
We have one client (dropshipper) that has 9000+ items most with 2 images associated, and run three different cron jobs many times during the day - and there is a little over 100,000 files in that account.