diff --git a/models/common/pricing/pricing_strategy.go b/models/common/pricing/pricing_strategy.go
index f764b1c..b25dc01 100755
--- a/models/common/pricing/pricing_strategy.go
+++ b/models/common/pricing/pricing_strategy.go
@@ -41,14 +41,14 @@ type BuyingStrategy int
 
 // should except... on
 const (
-	PERMANENT              BuyingStrategy = iota // is a permanent buying ( predictible )
+	SUBSCRIPTION           BuyingStrategy = iota // is a permanent buying ( predictible )
 	UNDEFINED_SUBSCRIPTION                       // a endless subscription ( unpredictible )
-	SUBSCRIPTION                                 // a defined subscription ( predictible )
+	PERMANENT                                    // a defined subscription ( predictible )
 	// PAY_PER_USE                                  // per request. ( unpredictible )
 )
 
 func (t BuyingStrategy) String() string {
-	return [...]string{"PERMANENT", "UNDEFINED_SUBSCRIPTION", "SUBSCRIPTION"}[t]
+	return [...]string{"SUBSCRIPTION", "UNDEFINED_SUBSCRIPTION", "PERMANENT"}[t]
 }
 
 func (t BuyingStrategy) IsBillingStrategyAllowed(bs BillingStrategy) (BillingStrategy, bool) {
@@ -65,7 +65,7 @@ func (t BuyingStrategy) IsBillingStrategyAllowed(bs BillingStrategy) (BillingStr
 }
 
 func BuyingStrategyList() []BuyingStrategy {
-	return []BuyingStrategy{PERMANENT, UNDEFINED_SUBSCRIPTION, SUBSCRIPTION}
+	return []BuyingStrategy{SUBSCRIPTION, UNDEFINED_SUBSCRIPTION, PERMANENT}
 }
 
 type Strategy interface {