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ACOS – Average cost of sales – Used related to Amazon sponsored product ads, and is a metric of how well your ads are performing relative to their cost.

Amazon API -  a web service and application programming interface that gives programmers access to Amazon’s product catalog data.

ASIN – Amazon standard information number – Amazon’s internal tracking identifier for each listing in their catalog. It’s similar to a UPC but is exclusive to Amazon.


ASP – Average Selling Price – Refers to the average price that a seller on Amazon sellers sell their items for. Calculated by taking the total sales for a time period divided by the number of items for the time period.


ATOP – At time of posting – You are likely to see this in Amazon related facebook groups. This most often refers to the pricing of an item at the time the post was made.


AZ – Amazon




Brand registry- a program offered by Amazon for sellers who manufacture their own brand of products, giving them total control of their listing.


BB – Buy Box – Refers to the seller associated with the add to cart button on any Amazon product detail page.


BB seller- a Buy Box Seller is the person whose listing is shown when a customer is looking for products online.


BOLO – Be on the lookout. Typically this is used for an item that is profitable that you might be able to find in stores near you.


BSR – Best Seller Rank – often used interchangeably with sales rank, gives an idea of how well an item is selling in relation to others.





CCC – – this is a website that tracks price and sales rank history of products on Amazon.


COGs – Cost of Goods Sold





DS – Drop Shipping – The act of shipping a product direct from a supplier to the end customer.



EAN – European Article Number – 13 digit number system for identifying retail products.





FBA – Fulfillment by Amazon


FBM – Fulfilled by Merchant – Also known as MF (Merchant fulfilled), this refers to shipping products directly to the end customer yourself.


FC – Fulfillment Center – Refers to one of Amazon’s fulfillment warehouses / centers.


FNSKU – Fulfillment Network Stock Keeping Unit – Per Amazon these are: The FNSKU is the way that Amazon identifies a product as unique to the seller that the seller has sent it to an FBA warehouse. Every product that is processed through an FBA warehouse is given this unique identifier.


FS – Financial Statements


FWIW – For what it’s worth Gated category or Restricted category: products being sold on Amazon are monitored. Some categories, like healthcare & beauty, are restricted to ensure the health and safety of Amazon customers.





GC- Gift Card

GTIN- Global Trade Identification Number’s are universal identifiers used internationally to find product information across databases.



HTF – Hard to Find – This is often associated with a BOLO post, and comes into play when an item is rarely seen in stores anymore.



IL – InventoryLab – A service to assist in accounting and analysis related to your Amazon business.

IMO – In my opinion – Often used in facebook groups when a person wants it to be clear they are sharing advice, or something that they likely don’t want taken as 100% reliable. You may also see the variant IMHO, which is in my humble opinion.

ISBN – International Standard Book Number – An ISBN is a 13-digit number assigned by standard book numbering agencies to identify individual books. ISBNs used to be 10 digits until the end of 2006



Lightening deals- a promotion in which a limited number of discounts are offered on an item for a short period of time

LTH – Long Term Hold – Storing inventory to be sold at a later date. For example, buying christmas lights on December 28th and waiting to sell them until the following December.



MAP – Minimum advertised price – This most often comes into play with wholesale sourcing. This is a price that you agree not to list below when you purchase a product from a wholesaler / distributor.


MF – Merchant Fulfilled – Items that you ship directly to the customer yourself, rather than using FBA.


MOQ- Minimum Order Quantity – The minimum amount you are able order. This typically applies to orders from a wholesaler or distributer.


MSRP – Manufacturer’s suggested retail price


MTD – Month to Date – Often seen when sharing sales or a certain metric since the beginning of the month.





OA – Online Arbitrage – buying items at online retailers to resell on Amazon.


ODR – Order Defect Rate – The percentage of orders that customers report a significant issue on. Per Amazon, an ODR is: ODR is the percentage of orders that have received a negative feedback, an A-to-z Guarantee claim or a service credit card chargeback. It allows us to measure overall performance with a single metric.


OOS – Out of Stock – Refers to an item being out of stock in a retail store or Amazon themselves being out of stock on an item.


OSE – Online Selling Experiment 🙂





PB- Profit Bandit is a popular app sellers use to scan barcodes of products.

P&L – Profit & Loss Statement – Also known as the income statement.

PL – Private Label – Putting your own brand name on a generic product and branding it as your own.

PM – Price match or private message – Most likely refers to price matching other retailer, or a private message if you see it used in a Facebook group.

PPC – Pay per click advertising – This relates most often to using Amazon sponsored product ads.




Q1 -(January through March)

Q2 - (April through June)


Q3 - (July through September)


Q4 –(October through December) when Amazon sellers often see a large increase in sales




WS – Wholesale – Refers to sourcing products wholesale. Generally purchased direct from the manufacturer or from a distributor.



YMMV – Your mileage may vary – This is regularly seen in Amazon related Facebook groups related to posts that will not apply to all readers. For example, there might be a deal available in a certain region that the poster is unsure if they are available nationwide.


YTD – Year to date – Often used when sharing sales numbers or a certain metric since the beginning of the calendar year.


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