In your settings add an additional formula for the AMAZON.COM or AMAZON.CO.UK


This formula ll place an additional charge of 6  if the price is less than 35

You can edit and replace the 6 with what ever you want to add for shipping cost

For UK users .you need to edit the formula and change the formula with the UK settings


replace the 6 with the shipping cost you want

If you try to use it on other suppliers DO NOT put in formula the exact amount of free shipping