Hi Mike,
I’ve just re-checked on my test server and unfortunately couldn’t reproduce the issue – “Change Prices” button seems to be appearing here. Maybe you can create/share an admin account to your server (WP and preferably FTP), so I could login and check what’s going on? If sharing an account is not an option – please let me know and I will try to solve this remotely, and in that case please copy/paste and send to me all the info from “WooCommerce > System Status” page. My email is [email protected].
Best regards,
Tom