in california the prices for good herb is:

.5g (dime bag) = 10-15$
1g (20 sack) = 20-25$
3.5g (eighth) = 60-70$
14g (quad/half oz) = 150-200$
28g (ounce) = 350$

I dont think you will be selling more than an oz if your just starting

Note: Prices vary based on quality of herb