Answer: sparednoexpense

AnswerCrossword Clue
SPAREDNOEXPENSEShopped to one's heart's content
SPAREDNOEXPENSESplurged
SPAREDNOEXPENSESplurged to the max
SPAREDNOEXPENSESpent whatever was necessary
SPAREDNOEXPENSEBlew the budget