не было у бабы хлопот, так купила порося

• НЕ ЗНАЛА БАБА ГОРЯ, (ТАК) КУПИЛА (БАБА) ПОРОСЯ; НЕ БЫЛО У БАБЫ ХЛОПОТ <ЗАБОТ>, (ТАК) КУПИЛА (БАБА) ПОРОСЯ{{}}

[saying]

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⇒ s.o. has caused himself much anxiety, trouble, or discomfort (said when new cares or worries arise for a person because of obligations or matters he has voluntarily undertaken):

- ≈ trouble comes to him who seeks it;

- (it's) a trouble of his <your etc> own making.