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USPS Flat Rate Boxes
Posted by Doug Sherman (Import), Last modified by Doug Sherman on 21 Jan 17 07:10 PM
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USPS Priority Mail offers Flat Rate pricing (using their boxes) for Domestic and International service regardless of the destination or package weight (well, almost-- for international services there is a 20 lb weight limit for the regular and large box, and a 4 lb limit for the small box). The only qualification is that your item/s can fit into one of the flat rate boxes. We also support the Priority Mail Regional flat rate boxes, if you qualify to use them (i.,e, you qualify for commercial base rates, and have so configured your USPS Entry Point in AuctionInc). See below for details. With our USPS Advanced Module, we also support "cubic" flat rate pricing for shippers who qualify for Commercial Plus pricing, which allows you to use your own boxes and still receive a rate based on volume (and zone), regardless of weight. Determining Fit Figuring out if a single item will fit into one of the flat rate boxes -- and which one -- is relatively straightforward for a single item, although almost no shipping calculators attempt to do even this. But what if there are multiple items or quantities in the cart? This is where AuctionInc excels. Your customer will only be offered flat rate box pricing for Priority Mail if you will actually be able to package the items in the order into one of these boxes. Determining Pricing This flat rate pricing is probably the best deal in package delivery -- sometimes. AuctionInc will determine the rate for Priority Mail for your package based both on the flat rate (if qualified) and also on the regular calculated rate using your own box, and use whichever rate is the less expensive. This is very important since, as good a deal as these boxes can sometimes be, that is not always the case. For lighter items, especially if they are not being sent across too many postal zones, using your own packaging may well be cheaper. AuctionInc will determine what packaging is best for you and your customer for each order. Using Flat Rate Boxes with AuctionInc When you have USPS Flat Rate boxing enabled in your AuctionInc account (Carrier Settings page), the shipping calculator will offer the appropriate flat rate price for Priority Mail if all of the following conditions are met:
The flat rate boxes are available in four sizes:
(Our USPS Advanced Module also supports the "Game" Box dimensions: 23.6875" X 11.75" X 3") . 2017 Retail Prices:
Volume Calculations for Multiple Items: retail boxes When our packaging engine determines if the items in the cart/shipment can fit into one of these boxes, if it is dealing with a single item only, it simply checks the item dimensions against the USPS-provided dimensions of each box. However, when dealing with multiple items or quantities, our packaging engine uses an overall volume figure rather than specific dimensions. Specifically, the USPS box dimensions are multiplied to determine initial volume, and then a "loss factor" of 15% is factored in to take into account pack materials and packing inefficiencies. Both the largest and smallest of all the item dimensions in the cart/shipment are checked, and the total item volume is compared against our derived box volume as indicated in the following table. (If you subscribe to our USPS Advanced plugin, you have additional options to control this factor.)
Determining if AuctionInc Used a Flat Rate Box Auctioninc provides an appropriate code to let you know if Priority Mail pricing was determined using a flat rate box, and which one. If you are subscribed to our ShopCart, your customer has selected Priority Mail, and at least one package in the order qualifies for one of the above flat rat boxes, you will see either "SFRB", "FRB1", "FRB2" or "LFRB" in our shipping "item" in your PayPal or Amazon order. If you are using one of our plugin modules, the code will in in the packaging detail in your order. In our API, the code is returned with Detail Level > 1. (If there are multiple packages that have been packaged into any of the flat rate envelopes or boxes, the code will read "Multiple FRB". If using our cart, you may want to put the order items into your cart and use our Shipping Inspector to view the exact packaging that was rated.)
Regional Flat Rate Boxesif you qualify for USPS Commercial Base pricing (i.e., you are printing your labels online via PayPal, usps.com, endicia.com, stamps.com, a postage meter, or any other approved method, you qualify for commercial base pricing, which can be as much as a 10% discount from the retail rates. (You need to set your AuctionInc USPS Entry Point to "Commercial Base" to generate commercial base pricing for USPS rates.) And, as an additional bonus, you also qualify to use the Regional Flat Rate boxes, which can be significantly less expensive than the Retail boxes. If you have indicated in AuctionInc that we should test your items for a fit into the USPS flat rate boxes, and you have also configured your Entry Point to Comm. Base, then we will test both the retail flat rate boxes and the regional flat rate boxes for fit and best pricing. Priority Mail will be priced at whichever rate is best among the regular calculated rate and any retail or regional boxes into which your items fit. (Our USPS Advanced plugin provides more configuration options for controlling this determination.) The Regional flat rate boxes are available in four sizes: 10 x 7 x 4-3/4 inches (REG-A1) 12-13/16 x 10-15/16 x 2-3/8 inches (REG-A2) 12 x 10-1/4 x 5 inches (REG-B1) 15-7/8 x 14-3/8 x 2-7/8 inches (REG-B2)
Prices for the Regional Boxes Oddly enough, they are not actually flat. There are 8 different rates for the 9 zones (zone 1 & 2 are combined). So the further the destination, the more expensive. AuctionInc will determine the best price between the calculated rate, and any of both the appropriate Retail box and Regional box into which the items fit. Volume Calculations for Multiple Items: Regional Boxes When our packaging engine determines if the items in the cart/shipment can fit into one of these boxes, if it is dealing with a single item only, it simply checks the item dimensions against the USPS-provided dimensions of each box. However, when dealing with multiple items or quantities, our packaging engine uses an overall volume figure rather than specific dimensions. Specifically, the USPS box dimensions are multiplied to determine initial volume, and then a "loss factor" of 15% is factored in to take into account pack materials and packing inefficiencies. Both the largest and smallest of all the item dimensions in the cart/shipment are checked, and the total item volume is compared against our derived box volume as indicated in the following table.
Regional Codes If you are subscribed to our ShopCart, your customer has selected Priority Mail, and at least one package in the order qualifies for one of the above flat rat boxes, you will see either "REG-A1", "REG-A2", "REG-B1", "REG-B2", or "REC-C" in our shipping "item" in your PayPal order. (If there are multiple packages that have been packaged into any of the flat rate envelopes or boxes, the code will read "Multiple FRB". You may want to put the order items into your cart and use our Shipping Inspector to view the exact packaging that was rated.) These codes are also returned in our Shipping Rates API, and in our plug-in modules.
Commercial Plus and "Cubic" Pricing Our USPS Advanced plugin offers support for Commercial Plus and Cubic flat rate pricing.
A Note about Fit with Multiple Items We conduct two types of tests to see if the cart item/s fit into a given flat rate box: 1) is the total volume of the cart item/s less than the total volume (minus 15% to account for wastage) of the box? 2) Is the largest, middle, and smallest dimension for each item less than or equal to the largest, middle and smallest dimension of the flat rate box? When there is just one cart item, these tests are 100% reliable if your item dimensions are correct. But with multiple cart items, these tests do not and cannot account for the almost infinite way that multiple items can be arranged in a given three-dimensional space. There may be occasions where there is a mismatch between AuctionInc's determination of fit and what you are able to actually fit or not fit in "real life" with a given set of multiple items. (Our USPS Advanced plugin provides additional configuration options for controlling this determination.)
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