carriers are the best thing ever, use them for all our dogs, dogs love them too, they are indeed their personal dens for their stuff, bones toys etc and have made our lives really easy. Agree with Ditch Shitter on getting pups used to them and never forcing. carriers are dead handy for any size of dog at any age. On that point any tips on where to pick up good value on them online etc., some of mine are bit ancient.
I agree cages are the way to go but I never go back to the cage when locked for the night when a pup,no matter how much whining,a blanket over the top makes it more cosy for