There is a $6.00 shipping charge for all orders less than $50

However:  All orders over $20 receive from 7% to 15% off the purchase price!

<PLUS>  ALL orders over $50 are shipped FREE of charge!

What this means for you is:

A $50 order would receive a 12% discount  <PLUS>  free shipping.
That would mean a savings of $12 bucks! <PLUS> you receive the package
in the mail for FREE ....