Please contact our billing team! https://www.stablehost.com/contact-us.php
Looks like it's your .htaccess file that is blocking access to those directories.
# Block access to backup and source files
# This files may be...
Ahh, gotcha. Lets Encrypt is using that directory, you're not placing your webroot there. Let me see what I can find out.
I'm pretty sure it blocks hidden folders by default for security reasons, because they are using htpasswd or htaccess files. Is there a reason...
That plugin gets installed automatically if it detects you have a Wordpress blog. So yes, it's best to keep it on ;)
This should help - https://www.addedbytes.com/articles/for-beginners/error-documents-for-beginners/
It's usually much easier to install Wordpress through cPanel by clicking on the 'Wordpress' icon in cPanel.
Wordpress stores all settings in MySQL, you can delete the database if you want by going into cPanel -> MySQL Databases, however it won't hurt...
You can delete the files through FTP.
Looking for expiration headers or anything to do with caching
Put your browser in development mode and paste the headers please
Temporary URLs don't work anymore, if you want to double check it, you can modify your hosts file....
Can you please contact our sales team and they will be able to assist you with any invoices you're having issues with.
Email can be bounced for spam based on the content of the email, it's possible they included URLs which are known for malware or what not....
Not an issue, we do this many times a day.