Authors:

I hate to be obvious," added the Scarecrow, "but you'd have saved yourself a heap of trouble if you weren't too cheap to invest in a leash, Dorothy.

Gregory Maguire (2009). “Son of a Witch: Volume Two in The Wicked Years”, p.36, Harper Collins
I hate to be obvious, added the Scarecrow, but you'd have saved yourself a heap of trouble if you weren't too cheap to invest in a leash, Dorothy.