Last week, while having coffee with a friend, we started talking about Black Friday. My friend pulled out his phone and said, "Hey, this is refurbished and cheaper than new. Should I buy it?"

Honestly, until a few years ago, I had the impression that refurbished meant a sketchy item that someone returned after using it. But these days, the warranty conditions vary quite a bit by retailer, and knowing that makes it a truly legitimate choice.

So, ahead of this Black Friday, I organized the warranty conditions for major retailers. The point today is to not just look at the price tags but also consider the warranty period, return period, and battery conditions.

First up is Apple Certified Refurbished. According to Apple's official guidelines, all refurbished products come with a 1-year limited warranty, just like new products.

For iOS devices like iPhones, it is stated that the battery and outer casing are replaced with new ones before being sent out. They also come in new white boxes, and shipping and returns are free.

Additionally, it mentions that you can purchase AppleCare separately to extend the warranty. This is truly an amazing aspect.

How much is the price difference? MacRumors reported that the discount on the Apple refurbished M4 MacBook Air is about 15% compared to the same specifications for a new product.

According to Cult of Mac, when the refurbished model first came out in June 2025, the 13-inch new model was $999, while the refurbished one was as low as $849. That's a $150 difference.

But here's the twist. According to 9to5Mac, at the same time, Amazon was selling the new M4 Air for the same price of $849.

This is the trap of the Black Friday season. When sales are heavy, the price of new products can become similar to or even cheaper than refurbished ones. Be sure to check the deals on new models before buying refurbished.

Next is Amazon Renewed. According to Amazon's official blog, if you are not satisfied with a Renewed product within 90 days of receiving it, you can get a replacement or refund.

There's also a product labeled Renewed Premium, which often has better terms and battery conditions. However, since the conditions can vary by listing, it's safer to read the product page wording directly.

What I pay the most attention to on Amazon Renewed is the seller. Since it's often not refurbished directly by Amazon but by third-party sellers, I always check the seller ratings and reviews.

Best Buy's Geek Squad Certified Refurbished can be a bit confusing. Sometimes the product page only states that the warranty period varies by condition.

In the Q&A section of the product, there's a response indicating a basic 90-day parts and repair warranty, but it's hard to assume that all products are the same. Be sure to click on the warranty section of the product page before purchasing.

Best Buy's general return period is usually 15 days for most products. During the holiday season, they typically extend the holiday return period, but it's best to check the exact dates on the official page this year.

Back Market is also becoming quite popular these days. According to their official help center, all devices come with a 1-year limited warranty automatically from the date of delivery.

Returns can be made within 30 days from the delivery date. However, if the device has been dropped, gotten wet, or received unofficial repairs, it is excluded from the warranty.

In summary, Apple refurbished and Back Market offer a 1-year warranty. Amazon Renewed offers 90 days, and Best Buy needs to be checked on a product-by-product basis.

For laptops or tablets, I prioritize a 1-year warranty. Since issues can arise months later, 90 days feels a bit short.

Also, be sure to check the battery. Apple stated that they put new batteries in iOS devices, but other retailers have different performance standards for batteries based on the seller or grade.

It's similar for appliances. For refurbished vacuums or coffee machines, the warranty can vary significantly depending on whether it's a manufacturer direct refurbishment or a third-party refurbishment, so be sure to check who provides the warranty.

When I explained this to my friend, he said, "So it's not always a good deal to buy refurbished?" That's right; refurbished isn't good just because it's cheap; it's good when the conditions are right.

My process is simple. First, I check the Black Friday price for the same model new product. Then I look at the refurbished price and the difference, and finally, I compare the warranty and return periods.

If the difference isn't significant, I just buy the new product. If the difference is large and the warranty is 1 year, then I go for the refurbished.

And don't forget to open the box and test it right away. The return period can pass quicker than you think.

Personally, I hope this refurbished market grows even more. Electronics can be quite expensive, but if more refurbished products come with good warranties, more people can use quality devices without worry.

This Black Friday, take a moment to read the warranty line next to the price tag before adding items to your cart. That one line could save you a lot on repair costs later.