It costs zero additional dollars. The shipping cost for Enhanciosa orders is included in the cost of the product and the kratom is shipped based on the total order weight.
Per the USPS:
Orders under 13 ounces are shipped USPS First Class.
Orders over 13 ounces are shipped via USPS Priority.
All Enhanciosa orders include a tracking number and most arrive within 3-4 days of shipping.