Thread:Vandraedha/@comment-4011511-20130324211248/@comment-409884-20130324223525

Three(3) reasons:

1. Zero (0) is a value - it is just one that we do not normally show.

2. FarmVille could add a crop that you do get some form of currency if you do sell it.

3. Having the parameter there does NOT hurt anything by having. If you do not like seeing this parameter then Delete it when you create/edit a page that i, this will NOT hurt the template if you do this.