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  If I need to leave Sophie all day, I use a baby gate for the bathroom.  Then I leave water and her bed too.  Otherwise, I leave her gated in our bedroom, and if we have an accident, she usually goes to a rug in the master bath where there is no carpet.  Good luck.  I would never leave a Yorkie outdoors unsupervised.  
				__________________  Sophie's Mom   :     |