No one on this earth is snorting an ounce of pure coke in a 24 hour period. Maybe 3-5 grams, but not much more than that.
Just like dude said in blow, the human heart can only handle around 3 grams in a 24 hour period. He was doing 10 grams a day, and had a massive heart attack within a few years.
Also cost wise, I don't know many even whobuy in bulk that pay less than around 30-40 per gram of the good stuff. 28 grams would run you $840, if you were doing that daily, and not paying that much, idk what to tell you.