5g
Weed 
Damn, beat me to it. I'd say 1g of Manicure bud

what kind of cheap shit you smoking?
Maybe you're just paying too much.
Man, do we have to get into a discussion of value/cost/demand market forces ?

For a true side by side comparison, why not compare the electricity costs to generate each?
Probably not too bad compared to mining. Innovative design does wonders