Amazon has a ‘budget-friendly’ Prime option for low-income customers — but it’s actually a trap

“Low-income shoppers are often stung with higher prices by not paying one-off fees. The same is true in discount stores, where those that can afford to buy in bulk are offered bigger discounts. A research paper done by two Michigan University professors in 2016 showed that low-income shoppers can end up paying about 6% more per sheet of toilet paper if they don’t buy in bulk, The Atlantic reported.”