is this a method to offer discounts for extending yearly payments ?
is this a method to offer additional sites ?
the plugin backend settings states "One credit allows for one site to be upgraded for one year."
so 2 credits would allow for "1" site to be upgraded for "2" years ?
and does not imply "2" sites ?
if this applies only for extending the same site at a lower cost,
how therefore can the same user with same login credentials have more than one site ?