Cloning a WordPress site is not that hard but does take a bit of time. Thanks to MultiSite Clone Duplicator for WordPress, you can get it done a whole lot faster. It lets you clone any site in your network, with all the data, users, and roles. It is command line ready too.
MultiSite Clone Duplicator saves you from copying the same configuration over and over again. It can copy all posts and settings and generate log files to keep track of everything. You can also choose which sites can be cloned.