WordPress is one of the most reliable providers, so I recommend finding out what is wrong with the hosting. Also, you can check this article https://sitechecker.pro/web-hosting/fastest-wordpress-hosting/ where the experts have provided a lot of useful information on this topic. Maybe you will need to consider overlooking your hosting choice.
One suggestion: I'd add a section on how to deal with injected content that got indexed by Google. I see this happen all the time to sites that don't get updated.