Anyone... but some extensions have registration rules or restrictions. For example, you can only register a .ltd.uk if you are a limited company and the domain is an exact match to your company name. Most extensions like .com, .co.uk and many more, are open for everyone to register. If you're uncertain about the rules, you can check the information icon next to each extension in our search results.
Domain names can be used in a number of ways. Direct visitors to your website’s home page or use complementary domains to send them to specific areas of your website ( e.g. yourcompany.jobs for a careers page). Or, forward a custom domain to an existing social media account, like your Twitter profile or Periscope channel. With a domain name you can even set up custom email addresses like firstname.lastname@example.org, which can be used to conduct business or communicate with your followers. More.
Bluehost does offer an automatic backup system along with daily scheduled backups, albeit these are only included for free with certain hosting plans. However, you can add a backup system to the packages that don’t already include it for just $3 a month, which is a small price to pay for keeping your files safe. That, or you can simply back up your files via FTP as mentioned earlier.