内容来源：https://lifehacker.com/tech/best-places-buy-used-refurbished-tech?utm_medium=RSS

内容总结：

AI需求推高内存价格，二手与翻新设备成省钱新选择

受人工智能基础设施需求持续拉动，内存价格不断攀升，当前市场上很难找到性价比高的全新科技产品。在此背景下，购买二手或翻新设备成为不少消费者的省钱妙招。

优势与风险并存

二手设备最大的优点就是价格实惠，能节省大笔开支。但缺点也很明显：设备并非全新，外观可能有瑕疵，甚至存在技术故障。例如，一台使用了两年笔记本电脑的固态硬盘，速度就远不如新款机型。因此，这本质上是一种“赌博”，但只要你选对购买渠道、懂得如何甄别，就有很大机会淘到外观和性能都近乎完美的产品，实现“省钱不降质”。

如何定义“翻新”与“二手”？

本文所指的“翻新”设备，是指因各种原因退回制造商，经检测后重新上架销售的产品，通常会附带有限保修。“二手”设备则多来自个人卖家，对后续性能的保障较少。

为何选择二手或翻新？

• 预算优先： 如果你的预算充足，购买全新设备自然最好——未拆封、出厂状态，且有完善的售后保障。但翻新产品中，不少只是因为“包装盒破损”或“曾在店铺展示”而被退回，本质与全新机相差无几，价格却低得多。
• 省钱是王道： 二手设备价格更低，但风险也更大，从快报废的旧手机到几乎全新的闲置赠品，质量参差不齐。对于懂行的消费者来说，更容易淘到好货，甚至可以自己动手进行升级或维修。
• 环保考量： 购买二手或翻新设备，能延长产品寿命、减少电子垃圾。同时，这也避免了制造新设备所消耗的大量能源和资源。

需要注意的陷阱

1. 审查卖家： 大型制造商的官方翻新产品与毫无信誉的个人卖家，风险天差地别。购买个人物品时，务必查看买家评价。
2. 翻新产品看标签： 仔细查看设备的性能评级、外观损伤描述、保修条款及退换货政策。同时确认充电器等配件是否齐全。
3. 二手产品问详情： 索要多角度照片和详细规格，尤其要询问电池健康度与容量——这是旧设备最容易出问题的地方。
4. 检查设备年龄： 软件更新支持有限（例如手机通常为7年）。可参考“End of Life”网站查询热门设备何时被淘汰。
5. 越贵越要小心： 高价设备更容易遇到骗子，且要对比同款新机价格，某些情况下省下的钱可能并不值得。

最佳购买渠道推荐

• eBay： 从官方零售商到个人卖家应有尽有，选择丰富。关注带有“eBay退款保障”标签的商品。
• Back Market： 是购买翻新设备的可靠平台。操作流程类似普通零售店，能快速了解设备状况、检测修复流程及用户评价。
• Swappa： 介于eBay和Back Market之间。平台以第三方转售商为主，所有商品经工作人员审核，规格、成色、保修信息一目了然。
• Gazelle： 专做手机和平板电脑。提供自有认证翻新流程，部分商品为直接回收或以旧换新产品。支持30天退货。
• Amazon Renewed（亚马逊翻新）： 方便快捷，整合在亚马逊网站内。所有商品享有90天退货保障。需仔细核对成色和配件清单。
• 官方翻新渠道（苹果、三星、戴尔等）： 可靠性和信誉度最高，但折扣力度可能较小。虽然单品信息较少，但保修政策非常优厚（如苹果提供一年有限保修）。

中文翻译：

随着人工智能基础设施需求持续推高内存价格，眼下想买到高性价比的科技产品并不容易——不过Lifehacker团队始终在尽力为大家提供帮助——而购买二手或翻新设备则可以省下一大笔钱。
这是它的一大优势，但缺点也存在：你拿到的并非全新设备，这意味着它的外观可能不够完美，还可能附带一些问题或技术故障。例如，一台使用两年的笔记本电脑内置的固态硬盘，速度肯定不如新机型里的那块。
这多少有些像一场赌博，但你可以通过了解购买渠道和选购要点，让胜算偏向自己——市面上确实存在外观和性能都近乎完美的二手或翻新产品，让你在省下大笔开支的同时，几乎无需做出任何妥协。
就本文而言，“翻新”是指设备因某种原因退回制造商，经检测并清理后重新销售，通常附带有限保修。而“二手”设备则多来自个人卖家，对未来性能的保障也更少。
为何选择二手或翻新？
二手或翻新并非适合所有人，如果你的预算充足，购买全新产品或许是最佳选择：你会得到一台未经拆封、出厂全新的设备，并且如果出现问题（这取决于设备类型和购买渠道），你还能获得充分的售后保障。不过，对于翻新产品而言，有时退货原因仅仅是商品被拆封过、包装破损，或是曾在店铺展示过——你实际上是用更低的价格，买到一台近乎全新的设备。
选择二手设备意味着能省更多钱，但风险也更大——每笔交易各不相同，既有快要被丢弃的十年旧手机，也有作为礼物送人但几乎全新的笔记本电脑。在质量和可靠性方面，这里的差异要大得多。
选择二手或翻新产品的主要理由在于能省下不少钱，尤其是当你并不特别在意设备是否完美无瑕时；而如果你对所购科技产品类型非常了解，那就更合适了——这意味着你比大多数人更擅长发现超值好货，并且能在拿到设备后自行进行一些升级或维修。
此外还有环保层面的考量：你正在捡起一件可能被丢弃的设备，延长其使用寿命，减少电子垃圾。制造新设备需要消耗大量能源和资源，因此如果你经常购买二手或翻新产品，就能为减少这些消耗出一份力。
要记住，很多人也在用这种方式省钱，因此在抢购最划算的商品时竞争可能会很激烈（市面上还会有人专门购买科技产品，修复或翻新后再出售）。这件事究竟是更有压力还是更有趣，全看你的心态。
购买二手科技产品时需留意什么
首要一点，看清你的卖家是谁，并据此调整你的怀疑程度。一端是知名厂商通过官方店铺销售的翻新产品，另一端则是你从未听说过、零卖家评级的个人出售的二手设备。
这并非说你在个人交易平台从无销售记录的人那里就捡不到便宜——但在这些情况下，被骗的风险要大得多。如果你从个人手中购买，记得查看其他买家留下的反馈（如果有的话），并将其纳入你的购买决策中。
对于翻新产品，要仔细查看设备在性能和外观方面的评级、设备附带的任何保修政策，以及退货条款。检查是否包含配件（如充电器），否则你可能需要另外购买。
对于二手设备，尽量从商品列表中获取尽可能多的信息。理想情况下，你希望看到大量图片（从不同角度拍摄）和详细的规格清单，但如果信息不足，不要害怕提问：尤其要重点检查电池健康和容量，因为这是老旧设备容易出现问题的区域之一。
永远要记得检查设备的年龄。软件更新只会提供一段时间（例如手机通常约为七年），你肯定不希望买到一台马上就过时的设备。常备的“生命周期终结”网站可以告诉你许多热门设备何时将被淘汰。
你购买的东西越贵，就越需要谨慎：不仅可能损失更多钱，还会遇到更多骗子。说到价格，也要查一下你购买物品的全新版本当前的价格——在某些设备上，省下的钱可能并不值得。
购买二手和翻新科技产品的最佳去处
eBay有利有弊，但只要操作得当，它仍是淘二手科技产品的最佳平台之一。该平台涵盖从官方零售商到个人卖家的各种选择，可挑选的商品很多，而且有超值好货可寻。寻找提供eBay“退款保证”标记的商品。
Back Market长期以来一直是翻新设备的可靠渠道，它大大减轻了购买翻新科技产品的压力和麻烦。该网站运作方式类似普通零售店，你可以快速了解每件商品的成色、检测和翻新过程。这里也有大量用户评价可供参考。
Swappa有点像eBay和Back Market的结合体。这里主要是第三方转售商经营，但也有个人卖家。所有商品列表都经过Swappa工作人员审核并清晰分类，一眼就能看到多项关键信息：规格、成色，以及（有时）有限保修。
Gazelle专门销售手机和平板电脑，以其简单易用为特色。它对翻新产品采用自己内部的认证流程，因此你购买的是直接退回或折价换新的设备。提供30天退货窗口，每件商品都有详细信息，包括外观成色。
如果你优先考虑便利性和安全性，Amazon Renewed值得一看：购物体验直接整合在亚马逊网站内，所有商品均提供90天退货保障。商品质量参差不齐，因此要仔细检查列表中的设备成色和附带配件。
此外还有官方翻新渠道，包括苹果、三星和戴尔。这些渠道在可靠性和可信度方面得分很高，但省下的钱可能没那么可观。由于是批量处理，你对单件商品的信息了解有限，但保修和保障非常优秀——以苹果为例，提供一年有限保修。

英文来源：

With AI infrastructure demands continuing to push up memory prices, it's tough to find good value for your tech purchases right now—though the Lifehacker team is always trying its best to help out—and buying used or refurbished can save you a substantial amount of money.
That's the big advantage, but there are downsides: You're not getting a brand new device, which means it might not look pristine, and it could come with issues or technical faults attached. The SSD inside a two-year-old laptop won't be quite as speedy as one inside a new model, for example.
It's something of a gamble, then, but you can make sure the odds are in your favor by knowing where to buy from and what to look for—and there are definitely used and refurbished items out there that are close to perfect in terms of looks and performance, so you're getting big savings without any real trade-offs.
For the purposes of this article, "refurbished" means a device that's been returned to the manufacturer for some reason, and then checked and cleared for resale, typically with a limited warranty attached. If something is "used," it usually comes from a private seller, with fewer guarantees about future performance.
Why go used or refurbished?
Used or refurbished isn't the route everyone should go down, and if you've got the budget, then buying new is probably best: You get an untouched, factory-fresh device, and plenty of cover if something is wrong with it (which will depend on what type of gadget it is and where you bought it from). With refurbished items, though, sometimes an item will have been returned just because it was opened or the box was damaged, or it was on display in a store—you're essentially getting something that's almost as good as brand new, for a lot less.
Opting for a used device means you can save even more, but the risks are greater—each deal is different, but you're looking at everything from 10-year-old phones that people are about to throw away to nearly new laptops that were unwanted gifts. The range in terms of quality and reliability is a lot greater here.
The big reason to go used or refurbished is the amount of money you can save, especially if you're not particularly worried about getting something in perfect condition, and extra especially if you know a lot about the particular type of tech you're buying—which means you should be able to spot great deals better than most, and can do a few upgrades or repairs of your own once you've got your device.
There's also the environmental angle: You're picking up a device that might otherwise get thrown away, extending its lifespan and reducing e-waste. A lot of energy and resources go into manufacturing new devices, so if you're buying used or refurbished on a regular basis, you're contributing less to that.
Bear in mind that a lot of other people are saving money this way too, and the competition can be fierce when it comes to grabbing the best deals (there will also be those out there who are buying tech, repairing or polishing it, and selling it). Deciding to do this can be more stressful or more fun, depending on your perspective.
What to watch out for when you're buying used tech
First and foremost, look who you're buying from, and adjust your skepticism accordingly. There are refurbished items from big name manufacturers sold through official stores at one end of the spectrum, and used gadgets from someone you've never heard of, with zero seller ratings, at the other.
That's not to say you can't pick up a great bargain from a person with no selling history on a personal marketplace—but there's much more of a risk of being ripped off in these scenarios. If you are buying from an individual, look at feedback left from other buyers, if there are any, and factor this into your buying decision.
When it comes to refurbished items, look carefully at the device's ratings in terms of performance and damage, any warranty that's being offered with the gadget, and what the returns policy is. Check what accessories (like a charger) are included, as otherwise you'll need to buy these separately.
For used gadgets, try and get as much information as you can from the item listing. Ideally, you want to see a lot of pictures (from various angles) and a detailed specs list, but if there isn't enough, don't be afraid to ask: It's particularly important to check on battery health and capacity, as this is one of the areas where older tech can be problematic.
Always check the age of a device, too. Software updates are only issued for so long (usually around seven years for phones for example), and you don't want to end up with something that's immediately outdated. The always-helpful End of Life website can tell you when a lot of popular gadgets are going to become obsolete.
The more expensive the device you're shopping for, the more careful you need to be: Not only do you stand to lose more money, you'll come across more scammers. And speaking of price, check the current prices for the new version of whatever it is you're buying, too—on some devices, the savings might not be worth it.
The best places to buy used and refurbished tech
eBay has its pros and its cons, but it remains one of the best places to pick up used tech, as long as you do it carefully. The platform runs the full gamut from official retailers to individuals, so there's a lot here to pick through, thd there are some great deals to be had. Look for items with the eBay Money Back Guarantee offered.
Back Market has long been a trusted outlet for refurbishers, and it takes a lot of the stress and hassle out of buying refurbed tech. The site works a lot like a regular retail store, and you can quickly get information on the condition each item is in, and how it's been checked and restored. There are lots of user reviews to look through as well.
Swappa is a bit of a mix of eBay and Back Market. It's mostly third-party resellers who do business here, though there are individual sellers too. All listings are reviewed by Swappa staff and are clearly categorized, and you can see at a glance a number of key details: the specs, the condition, and (sometimes) a limited warranty.
Gazelle is exclusively for phones and tablets, and prides itself on its simplicity and ease of use. It offers its own in-house certification process for refurbished items, so you're buying gadgets that have been returned or traded in directly. There's a 30-day return window, plus plenty of information on each item, including cosmetic condition.
Amazon Renewed is worth a look if you're prioritizing convenience and safety: The shopping experience is integrated right into the Amazon website, and everything comes with a 90-day guarantee window for returning items. The quality on offer can vary, so check listings carefully, in terms of item condition and bundled accessories.
Then you've got the official refurbished outlets, including Apple, Samsung, and Dell. These score highly on reliability and trustworthiness, though the savings are likely to be less significant. You get less information on individual items as everything is done in bulk, but the guarantees and warranties are excellent—in the case of Apple, for example, you get a one-year limited warranty.