Not sure, but if you're getting from a reputable dealer they probably either zero the scale with the baggie already on thus negating the weight of the bag or have the weight factored in to the final number. If a dealer (well one with some sense anyways) was going to rip you off they wouldn't be weighing the stuff out in front of you, it would be much easier for them just to pre pack the baggies light and sell it to you already bagged up.

El Fantistico :smokin: