If you run a vape shop, a convenience store or an online retail business in the UK, you already know that stock choices make or break your margins. Shelf space is limited, customers are fussy, and nobody wants a storeroom full of devices that sit there gathering dust. So when a product like the IVG Pro 12 10000 box of 5 lands on the market, it's fair to ask whether it deserves a spot on your...