My first Yorkie(a boy) I raised from 6 weeks, my present baby(a girl) I raised from just shy of 12 weeks. My experience was the same for both. Both required the same effort. Both slept crated, but right next to me. Both woke in the night whining to go potty. Both would not soil their crate, it was amazing both times how smart they were. The one I raised from 6 weeks actually potty trained faster than Eva, though she trained very well too. I don't think age matters(JMO) if you are consistent. So regardless of what advice you go with, be consistent and follow through and you will have success. Also, though it is tiring, it is very rewarding and really is over so fast. By the fall you will be fondly remembering these sleepless nights. Enjoy every minute.
