1 On average, depending on the type, the costs of a pork roast are going to range anywhere from $5 to as much as $13 per pound. 2  For instance, a boneless shoulder/butt roast retails for $5 to $8 per pound while a bone-in butt roast can retail for $5 to $8 per pound. Some suppliers charge $13.95 for a small cooler with a capacity of 2 lbs, while the shipping costs of an extra large cooler that can accommodate up to 35 lbs. is $35.95.