Click on the  "LOCATIONS" tab on the left hand side. 

Select the location you wish to add the fee for. 

EXPORT CODE
SERVICE NAME
FEE TITLE
GROUPED NAME
PICKUP
Default
Truck load conditions
LOAD FROM
LOAD TO
Order delivery distance conditions
MIN DISTANCE
KM
MAX DISTANCE
KM
Order delivery duration conditions
DURATION FROM
DURATION TO
See if the fee is based on the minimal order amount
MIN ORDER AMOUNT
$
Apply for product types and categories
PRODUCT
Select
Product Types:
Select product Category to see the list of available product types

Select the product the fee applies to.
(To apply a fee to multiple products, it will have to be cloned)

Click the checkbox next to the fee to set the fee to active.

In this case we're setting a fuel surcharge that utilizes a formula.

Click into the formula box to select a formula.

Set default price to 1 (this will not be the price charged for the fee, but a number is required for the fee to be active in the system)

How to add a fuel surcharge fee to Brokrete order