Help with training new 10 week old Yorkie

Boy, you have a lot of good questions. Keeping them in the crate at night is especially good at this age. If they potty in the crate it will not sabotage the training process. In fact, it may make it work better because dogs are very clean animals and do not like sleeping in their potty area. There are a couple of other things you can do to help you set up for success.
 
If you feed the dog at dinner time, let them out to potty shortly after. Dogs usually go potty shortly after eating. Remove the water and the food then and don't let them have any more until you get up for the day. I believe our vet recommended setting out their food and water and letting them eat for up to 5 minutes then remove the food. In the beginning, you should control their water too that way you know when they potty. I don't remember how often you should allow them water throughout the day but we did it only at feeding times at first I think, When we were home then we would give our dog water every couple of hours.
 
Something else we did was always take the dog potty right when we let her out of her kennel so that she could relieve herself and not have accidents in the house. Your dog will probably have to go out every couple of hours when she is not in the kennel. Depending on how well she does she will probably go 4-5 hours at night. Something else you can do to help her sleep through the night is take her for a walk and play with her to tire her out. She will also potty on her walk. Just let her out one more time before going to bed.

 

Sorry, I missed the question about the boyfriend. If he lets the dog out right when taking her out of the crate and takes the dog to the place where they will potty right away then he should have no problems either. Potty training doesn't really take that long either. After a couple of months she should have it down, if even that long. Ginger had it down in about a month. They just need to be let out frequently when they aren't in the kennel to prevent accidents.
 
Good luck

I just want to add that you should not get frustrated if it takes a while. It seems that Yorkies are extremely hard to housebreak.

Let the puppy out very soon after eating and drinking and straight after waking as well as after/during any periods of play or chewing.  Also let him out every hour on the hour and any time he looks like he needs to go (circling and sniffing). 

I always crate train a new pup straight away and shut him in at night.  Initially I keep the crate by the bed and get up a few times in the night to prevent acidents.  It also prevents the pup crying because he is lonely and scared.  I'm not a big fan of dogs in bedrooms, so I move the crate to its permanent spot gradually later on when he has settled and is dry at night.  After a few nights I phase nighttime wee breaks out and simply go to bed late and get up early for a while.

The odd accident in the crate won't necessarily sabotage all your hard work but it WILL be extremely distressing for the puppy - I can't emphasise this enough.  Make sure he has plaenty of chance to eliminate before being crated and don't crate him for too long without a wee break because forcing him to soil his bed/crate goes against his natural instincts and its cruel.

However, if he has enough accidents in the crate, he will override his natural compunction against soiling on/near his bed and this will impede the training process - and by that I mean it is very likely to set it back by months. 

A very young puppy can get the basics of potty training down in a few days provided you are vigilant, prevent acidents, let them out frequently and reward them well for going in the right spot.  But their control over their bodily functions is still poor and they still need all the help you can give them, probably for several months - how long until they can be considered "reliable" varies between breeds and individuals although most of it depends on how "right" you can get it in the early days and weeks.  They won't necessarily learn to "tell" you they need to go until much later - if they do so at all and its best not to rely on them to let you know - this puts the onus for getting it right on the dog, not the human which is setting them up for failure rather than success.

As long as your boyfriend follows the same routine you do there shound't be a problem.

IMO the best way toa clean, non confused dog is this:  if you've ever read Harry Potter & The Goblet of Fire, take a leaf from Moody's book - CONSTANT VIGILANCE!!!!!!

I definitely agree with Bunni, Yorkies can be a bit challenging.
The way I do things has worked quite well for all of my dogs (actually there was one dog that resisted it but I think it had something to do with the trauma of the abuse I rescued her from) and has a fairly good carry over when changing locations.

Anyways, I just use papers to start them off.  I encourage them with praise and treats until going on the paper is habitual (usually doesn't take long at all), then I just move the papers outside.  Once they get comfortable with the habit of going outside I just remove the paper.  If you're planning a trip during the course of the training just focus on the paper, make sure your little guy has a strong anchor for the paper and don't be too quick to move him outside.  he'll probably have a few accidents for the first little while but just keep in mind that dogs react a whole lot better to positive reinforcement than negative, and be forgiving.
 

Starting off in the crate on the first night is fine - as long as you are prepared to get up and take your puppy out every couple of hours. If you do this it is very unlikely that a puppy will soil the crate. Also when your puppy does eliminate on one of your trips outside make sure you let him know that you are happy with his actions!

This article explains a crate training schedule [linkhttp://www.dog-obedience-training-review.com/puppy-crate-training.html]http://www.dog-obedience-training-review.com/puppy-crate-training.html[/link]

Good luck with it - consistency is the key!