Traffic isn't worth anything if the CPC is $0.00. Of course you need traffic to begin with, but CPC (Cost Per Click) & CTR (Click Thru Rate) are very important. If it's just traffic which doesn't convert, it ain't worth anything. And as Deathstarr says, if it's Chinese traffic or bots, it ain't worth anything either. If it's US traffic with good CPC and CTR, then it might have some value.