What Is FBA Prep? Here's How It Works (Pros & Cons)
Whether you’re just getting started with Amazon FBA selling, or you’re an experienced seller looking to expand to a new channel, you're likely wondering: what is Amazon FBA prep exactly?
In this article, we’ll cover how it works, the pros and cons of using outsourced FBA prep services, main prep requirements, and a step-by-step overview (from receiving, inspection, storage, packaging and labeling).
Use this outline to skip to any section of this page:
- What is FBA prep?
- What do prep centers do?
- How it works step-by-step
- Pros of FBA prep
- Cons of FBA prep
- Does Amazon offer a prep service?
- Should I use an FBA prep service?
What exactly is FBA prep?
The term “FBA prep” refers to product packaging and labeling – according to Amazon’s FBA rules. Although it’s a crucial step in the fulfillment process… there’s actually a lot more to preparing your products for FBA than meets the eye.
In short, FBA prep involves readying your products for shipment to Amazon’s warehouses. This includes making sure your products are sorted, labeled, and packaged according to Amazon’s strict guidelines. While some sellers choose to do this themselves, many opt to outsource FBA prep to a third-party company that specializes in this type of work. Keep in mind that prep requirements differ depending on your selling model. See our guide on Amazon 1P vs 3P prep.
Keep in mind: many manufacturers aren’t set up to prep to Amazon’s FBA requirements, and that gets expensive. Units that arrive without proper prep take longer to become sellable and lose reimbursement eligibility if they’re damaged.
Many Amazon sellers make the disastrous mistake of “going easy” on FBA prep – only to discover using a cheap FBA prep company (or relying on false promises from a manufacturer that claims to do FBA prep for an extra fee) results in a giant hit to their bottom line. That’s exactly why it’s more important than ever to find a reliable, trustworthy FBA prep service you can count on to keep your operation running smoothly without error.
Want more details? Check out our beginners guide on FBA prep for choosing the best service.
What do prep centers do?
While FBA prep can seem daunting, one way to ease the burden is to outsource your FBA prep to a dedicated 3rd-party service. These companies specialize in getting your products ready for Amazon fulfillment, and they can prove helpful when it comes to meeting deadlines and staying organized. However, it's important to choose a reliable service that you can trust with your inventory. Before you outsource your FBA prep, do some research and read reviews to find a company that will meet your needs.
FBA prep services can do far more than just prep your inventory as well – including drip-feeding your products to Amazon warehouses, FBA removal orders, and logistics/forwarding on-demand. In fact, many sellers prefer to use their FBA prep service as a major extension of their entire supply chain – often acting as the primary medium between your supplier and Amazon.
For example, ZonPrep.com runs prep for brands selling $10M+ on Amazon: FNSKU labeling, kitting and bundling, inspection, and shipment plan creation, then consolidated freight into Amazon from our Georgia facilities.
How FBA prep works step-by-step
FBA prep follows largely the same pattern each time. There may be a few nuances in each step, for example if you have complex bundling needs, but you can expect to see the below as standard.
1) Receiving
To start, an FBA prep service will receive your inventory at their warehouse. Make sure the company has plenty of loading docks (at least 8), forklifts to accept and unload inventory, and ample storage space in their warehouse (at least 80,000 square feet). You want to make sure your prep service can handle large volumes during peak selling seasons, where multiple Amazon sellers are at the same warehouse.
2) Inspection
Upon unloading inventory, your FBA prep center will inspect your inventory according to your expectations. As long as they do it right, you’ll have a full understanding of every item in the shipment – no surprises once products arrive at Amazon.
3) Storage
From there, you can simply choose to keep your inventory at the warehouse or have it shipped off. If you store your inventory, make sure you clarify with your prep service regarding climate-control conditions you may need.
4) Packaging
At your command, your prep service will begin packaging your inventory according to your specific needs – and ideally, you want a company that will work hand-in-hand with you regarding specialized projects.
5) Labeling
FBA prep services have a good understanding of labeling requirements, so there’s not much work on your end. Just make sure your prep service has fast turnaround times. ZonPrep averages 48 hours on any shipment size. Much slower than that, and delays begin to occur.
6) Distribution
At this point, you can now have your inventory shipped to Amazon, have it drip-fed (portion by portion), or forwarded to different locations. Throughout this process, your prep partner should have a system you can monitor step-by-step (that’s another aspect you’ll want to clarify beforehand).
Pros and Cons of an FBA Prep Service
FBA prep is necessary if you want to sell with Amazon FBA. There are just too many requirements to get your inventory ready for the FBA network, that you cannot expect goods to be FBA-ready from a manufacturer. However, doing all of the checks and balances in-house can get quite tedious, so many sellers opt to outsource FBA prep to a specialist.
Pros of an FBA prep partner
While it's possible to do FBA prep yourself, there are several reasons most Amazon sellers prefer to use a prep service. First of all, it can be more cost-effective to outsource the work. A prep service can remove the workload off your shoulders and prevent your company from having to rent out warehouse space, hire a team, and manage the entire process – helping you focus your time on more important tasks to scale your business faster.
Also, prep services are far more efficient and skilled at performing the entire process of receiving, inspection, storage, packaging and labeling – as opposed to a brand new system you would need to implement yourself.
Cons of an FBA prep partner
Unfortunately, not every FBA prep service can offer 100% reliable, dedicated service year-round. This is true for every business in every industry of course. But before you allow a service to handle your inventory, it’s always safe to use caution and do your research. This is because you are dealing with a lot of money - money that can impact your Amazon business significantly.
Also, some FBA sellers choose to have their inventory in their control – instead of handing it over to a different company to handle. This can be more costly and less efficient, but it can provide a sense of security in your business. If you are a small Amazon seller with low revenue and orders for inventory, you might not be ready to outsource your FBA prep yet. You should keep an eye on your revenue growth and size of inventory – because when the time comes, you may want to switch over to outsourcing your FBA prep.
Does Amazon offer a prep service?
Amazon used to provide its own FBA preparation services that made for a good "safety net" if something went wrong. For example, if 90% of your goods are compliant, but you send in a shipment with the wrong kind of polybags, you could pay Amazon to prep it for you (at premium costs).
However, since the start of 2026, Amazon no longer offers this service. Instead, sellers are now responsible for ensuring all of their items are 100% compliant when they are sent into the Amazon network.
If your goods reach Amazon's warehouse without proper prep and labeling, they take longer to become sellable, and they lose reimbursement eligibility if they're damaged or can't be traced. That's lost time and unprotected inventory, and it delays your sales.
If you're already well-prepared, then these difficulties won't arise. Once again, this is another reason most FBA merchants prefer to partner with a prep service.
Should I use an FBA prep service?
Outsourcing to an FBA prep service can save you a lot of time and money. By outsourcing the preparation and fulfillment of your orders, you can focus on expanding and scaling your business. FBA prep services can handle a wide range of items, from small accessories to fragile glass and multi-unit bundles. This way, you don't have to worry about the hassle of managing everything in-house (and if you haven’t yet, check out our guide on Amazon FBA Prep: In-House or Outsource to a Prep Service?)
In addition, outsourcing to an FBA prep service can help you speed up the process and lower your costs. So if you're looking to take prep work off your team's plate, outsourcing to an FBA prep service is a great option to consider.
Wrapping up: Optimizing FBA prep
At the end of the day, when it comes to approaching FBA prep… the most important thing is to find a reputable company that has a good track record. You also want to make sure that the company has experience with your specific type of business – such as the product category, the volume you’re selling, and more.
In addition, you'll want to get quotes from several different companies so that you can compare prices. Each company has different pricing structures, so compare on total cost, not just the per-unit rate. Accuracy, turnaround, and how your shipments get to Amazon all show up in what you actually pay. Once you've done your research, you'll be able to make a wise decision about which FBA prep service is right for you.
Published: June 9, 2022
Updated: October 8, 2026