I try and upload and I keep geting permission denied?

I am going to signup for a Plesk hosting account and would like to view the site before I go live.  What is the temporary URL for viewing?

I am going to signup for a Cpanel account and would like to view the site before I go live.  What is the temporary URL for viewing?

Can i view my mail on line via the web?

How do I update my new credit card and contact information?

How do I close my account if I don't have my logins?

What if I just need to update an email address and/or street address and not my credit card?