It's very common but became really expensive recently. More on this: http://qz.com/121726/groupons-brilliant-marketing-campaign-in-india-20000-worth-of-onions/

It's very common but became really expensive recently. More on this: http://qz.com/121726/groupons-brilliant-marketing-campaign-in-india-20000-worth-of-onions/ http://qz.com/121726/groupons-brilliant-marketing-campaign-i...