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Originally Posted by puppiesarelife  thanks for the reply 
i think i am planning to crate train him, and i would not get him till the summer so he will be around 8 months or so old when he is left alone. also do u know if maltese need a walk to or do they need less exercise? |
Most dogs would benefit from the stimulation and the socialization a daily walk gives them. If for some reason you are physically incapable of walking a dog, then look at some alternatives such as a dog walker, and or doggy day care.
I can't speak to mixed breeds, I'm not even sure what a cockapoo is. But you want no matter what size dog you eventually select, a good temperament in each. Also you need to find given your preference for basically little activity, a dog that is more laid back and not a high energy dog.
All dogs can become Yappy. Big or small, makes no difference. What makes the difference is good training, appropriate exercise and stimulation.
yorkies are all Terriers and can be vocal at times. It is your job to train them to be quiet on command. But they will still alert you to someone walking on your driveway, past your front window, squirrels or birds in the backyard. They are feisty and fierce, but absolute little love bugs, and want and need lots of human companionship.
I believe in crate training wholeheartedly. It is good that you are thinking this way. How-ever the crate is not a substitute for interaction with your pup. It is best that it becomes their safe place, their den.
You mentioned a medium sized backyard. Your small breed dogs with play interaction on your part should be able to get lots of exercise, chasing and fetching toys, you can set up a bit of an obstacle course, and have lots of fun with the two when you are home from work.
Yorkies require daily care, in particular for their teeth, ie cleaning them. And if you keep the coat long, daily coat care.
For the other breeds you might be interested in, you will need to do your research on health issues, standard temperament, etc.
Good luck with your search.