https://www.cnbc.com/2018/07/23/your-netflix-habit-costs-more-than-you-think.html

Of course, most Americans are on a budget. But when it comes to their subscription services, like Netflix, Spotify and Amazon Prime, many people have no idea how much they pay.

The vast majority, or 84 percent, of consumers underestimate what they shell out on those monthly expenses, also including dating apps, cable television and Wi-Fi, according to a recent report by the Waterstone Management Group, a Chicago-based consulting firm.