The clean hacked wordpress site Codex has an outline of what permissions are acceptable. Directory and file permissions can be changed via an FTP client or within the administrative page from the hosting company.
Strong passwords - Do what you can to use a password, alpha-numeric. Easy to remember passwords are easy to guess!
A snap to move - If, for some reason, you need to relocate your website, such as a domain name change or a new hosting company, having her explanation your files at your fingertips can save you oodles of time, headache, and the demand for tech help.
Now we're getting into matters specific to WordPress. Whenever you install WordPress, you have to edit the document config-sample.php why not look here and rename it to config.php. You want to set up the database details there.
Just make sure you choose a plugin that is up to date with the current version and release of WordPress, and that you can schedule, restore and replicate.