a way of doing 3 for 2

[starpicks]

hi ,is there a way of selling 3 for 2 - ie   customer buys 3 products and gets the third item 3 ,is there a way of it detecting it when buying the 3 items from the same category and setting it to automatically giving one free ,thanks in advance 

[ronaldrwl]

There is a buy 1 get 1 free and a buy x and get y% off.  When you create the product press the Functions tab and then the Discount button.