If customs waves your friend ahead and then stops you carrying everyones supply, youll be fined for exceeding the per-person limit
If such product or such article is dutiable at a rate dependent upon its value, the value for the purpose of determining the rate shall be its full value under the said section 402
(3) Anderson RC, Harris PN, Chen KK
Dangerous chemicals, gases like carbon monoxide and carbon dioxide, and solid and liquid particles all contribute to the detrimental effects on lung health
For this reason, they are significantly less harmful than traditional cigarettes
Dip and chew is allowed right in their guidelines (it's unlimited use, they don't care how much you dip or chew) and you can test positive for nicotine on the exam and still get that non-tobacco rate