If you are going to invest the time to set up a site, then you should protect your investment by following some simple best practices. These guidelines are only suggestions. It is up to you to decide what is appropriate for your site.
The following list contains some quick pointers.
vldPersonals provides you with a wide variety of tools and features. Take your time to browse through the control panel and all of its settings. This will answer many of your questions in the future and you can avoid misunderstandings and problems too.
You should revisit and reevaluate your site each time there is a major version release of vldPersonals. This does not mean you have to upgrade it, but you should at least evaluate the new features and fixes.
This will help you follow development trends and, while helping others, you may just come across a cool idea that solves your own problem.
Back up both the database and the files on the web server. Test your backups. If you don't test them, you have no idea if you are doing it right.