Strap in: Amazon's Black Friday sales are right around the corner. This year the week-long sales event will take place from Nov. 20-28, with many early deals already rolling in. And as you're adding item after item to your cart, you might be tempted by Amazon's "affordable monthly payment system." Also known as "buy now, pay later" (BNPL), its pitch is alluring: Buy what you need now, and pay later, "on your own timeline." But as convenient as it sounds, you should think twice before using buy now, pay later options during Black Friday.

While BNPL plans can allow you to pay for purchases in installments without interest, they come with a cost that can easily outweigh any Black Friday discounts. Let's take a look at the hidden costs of BNPL, and why you're better off paying upfront for all

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