If you are interested in learning how to sell and export closeouts and liquidations, here is a link to a self-study course on doing just that - http://www.importexporthelp.com/trdspo1.htm
In addition, one of the best newspapers and websites for locating Closeouts (up to the minute) is The Closeout News - http://www.thecloseoutnews.com/
This could be the exporting niche you have been looking for an now you have all the resourses you need, except trade leads (buyers/importers) - we have those at http://www.importexporthelp.com/trderl4.htm
Now you have it all, what are you waiting for??