Buy smart carts online The demand for smart cartridges and packaging is huge right now. You might ask why anyone would want to buy smart carts and packaging with appealing atwork on it?The answer is simple, its becuause it gives them an instant brand to push their cannabis oil; this also allows them to escape any lawsuit if their products are contaminated with pesticides. Never trust the black market; the reason why we have regulations is to protect us from bad products. Most sellers on the black market only care about as much cash possible. its quite alarming that the trend of unregulated refilled smart cartridges appeal mostly to teenagers and young adults.