Renewals are manual and we charge only one time fee for our themes. However, support and updates to the theme as well as access to old theme downloads after 1 year is 18 USD per year.
For all themes package also we charge one time fee of 99 USD. However it renews per year at $69 USD for support and updates to old themes as well as access to old and new themes after a period of 1 year. You can ask for additional discounts for all themes renewal.