Im getting a new dog and were should it sleep ? i was going to let it on my bed to sleep.?

im getting a new puppy (king charles)and everyone says to put it a a creater but that is harsh at the end off the day cause it just got seperated bye its mum !!! + it is part off the familey so you should also traet it like that BTW people say tht pups doesnt wee in its own beds u r rong because a puppy does wee in its own bed but it doest poo in it... i should know cause iv had 2 !