Almost all the domain registrars have their own domain name suggestion tools, but there are basically two problems with them. First, the domain name suggestion tools are self promoting, which means that you are shown only those domains who comes at the cost of high price. The tools will randomly match common terms with your keyword and provide alternate domain name suggestions which might not relate to your business plan at all.
Bluehost backs up your site on their cheapest plan. With their Choice Plus plan, you get CodeGuard included for free, which is a more customized, advanced backup tool. There are also plenty of other backup plugins you can use for websites like UpDraftPlus, VaultPress, and BackupBuddy. In the end, CodeGuard is not worth increasing your monthly cost and you can find better alternatives. How to Start a Web Hosting Company (Easy Passive Income!)