If you want to create the specific social community you don’t need spend millions for that. Of course, if you want to build Global social network similar to Facebook you must spend millions or billions.
In some cases we need show Joomla modules inside of articles. We can use some third party plugins to do that, but Joomla has core content plugin for this situation. To add module inside article in Joomla 2.5 and Joomla 3.4 we need to add some shortcode to load module.