Upgrade/Surcharge Question

Discussion in 'Payments processing' started by sbc123, Oct 24, 2014.

  1. sbc123

    sbc123 aMember Pro Customer

    Mar 19, 2010

    I have a silver product at £70 for 12 months, gold product at £80 and wish to introduce a Platinum at £120

    What is the best way to enable a Silver or Gold user to upgrade to Platinum for the difference?

    I.e. Silver to Plat: £50 and Gold to Plat: £40

    I see there is a surcharge option but that seems to add an odd number (cant work out how this calculates the upgrade amount!).

    Any help/advice?

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