This is due to all significant carriers make use of a pricing system termed dimensional weight (also called DIM weight) to calculate shipping rates for more substantial and lighter deals that can help protect the cost of storage space in transit. There are distinct choices for rates at checkout, and choosing that's best for you as a retailer may j

a handful of factors are vital When figuring out the amount of USPS shipping costs. this stuff incorporate the size and weight of your deal, how briskly you desire it to get there (precedence Mail or Priority Mail Express), and how far it has got to vacation. You might also opt for additional services like insurance coverage or signature confirmati