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Knowledgebase : Shipping Engine / All Products > Shipping Calculations
     
Are our rates accurate? Our rates come directly from the carriers themselves, in "real-time."  We use the carrier "API's" to procure our base rates.  If our rates are wrong, well, then the carriers' own rates are wrong!  To determine o...
Our products provide two methods for you to offer free shipping to your customers: For a specific item: When you set an item to our "Free Shipping" option in the HTML Wizard, our shipping engine will bypass determining a calculation for that particular ...
Packages going to military bases around the world are handled via the USPS. A package with an FPO/APO zipcode is fowarded by the USPS to a regional center in the US; at that point the military handles the rest of the transport. Postal rates are just fo...
(Does not apply to Mals plug-in.)Item dimensions are important these days for generating accurate rates, for a variety of reasons, but sometimes it can be very difficult to procure them. This is especially true if you are drop-shipping.  Or, you may have ...
FedEx International Priority Mail offers Flat Rate pricing (using their boxes) that can be a major savings over their normal calculated rate. The flat rate varies depending on the destination, but your package to that destination will cost the same regard...
Fixed Fee Codes add powerful versatility to using fixed fees. You can define a code and then include the code in the appropriate HTML form field generated by our HTML wizard for your Add to Cart/Calculator buttons. Our code definitions allow you to link y...
As part of USPS's move to dimensional pricing in May of 2007, they are giving shippers a bit of a break for irregularly shaped items.  Since the dimensional pricing is based on the concept that larger items take up more room and therefore are more expensi...
AuctionInc provides the ability to assess a handling charge for shipping rates in a variety of ways that can be used in together for more flexibility. Fees can be set for the entire order and/or for each package in the order. These fees only are applied i...
How does the Shipping Calculator compute shipping rates?The AuctionInc Shipping Calculator offers flexible and powerful shipping rate calculations that go beyond the simple shipping calculators offered by the various carriers. The calculator addresses the...
USPS Standard Post has two sets of rates, depending on whether your package is "machinable" or not. (Machinable packages can be handled by their automated systems; nonmachinable machines must be manually handled). A machinable parcel is any piece that i...
Our intelligent Packaging Engine is the heart of our shipping calculation software, and both its most unique and most useful component. Carts that offer calculated rates all use the carrier rate "API"s to procure rates. But the carrier APIs expect package...
How are my rates getting calculated? If you are using ShopCart, ShipCalc or AiShip, you can see the factors that are generating the final rates for each of your rated shipping services. We call this the "Shipping Inspector." The Shipping Inspector i...
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,...
The US Postal Service offers Flat Rate envelopes for Domestic and International Priority and Express services. Our rate engine supports this option for all products except the Mals plugin.  Item dimensions must be available for all items so that our r...
One of the most common question we are asked is "How come the rates your calculator is quoting are different than what I expect?" To answer your question, consider these factors: what are you comparing our rates to? are you using the same item/p...
There are times when the calculator will not provide a rate for every service you have enabled.  There are a variety of reasons why all shipping services are not rated for any particular item and/or destination. The first thing to check is to make sure yo...