If you are thinking of rehoming than it time to do so.. your hearts not in it and the dogs know it.
Give a yorkie rescue a call and see if they have room.
I thining that all the attention at barking was reinforced it so much that a change will be hard. On top of that the males learned toe nipping gets even more attention.
The Cycle you are in can be broken but it will take time and indeed more money. Trainers for in home privates run fro 50 to 150 an hour.
JL
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"The truth about an animal is far more beautiful than all the myths woven about it." Konrad Loranz |