you can go for walks and go to the shop sometimes it will be at the shop, you can buy it there and let your dogs skip =)
You can by the jump/pull rope in the discount shop, which you can walk there with your Nintendogs.
You have to go to the discount shop. But you have to have 10k trainer points. You will have to go to the discount shop a few times.
return it back to the game shop you bought it from
You sell a gold bar for money at the secondhand shop.
You can get to the discount shop sometimes when it pops up or trade them with your friends.
Go to the Secondhand Shop and choose what items you want to sell.
if you are talking about the DS game nintendogs, then you can shop anytime. but if you are mistakin for some other dog game, then I don't know.
if you have 2 of one item sell it at the 2nd hand shop-cant use two things at once
No, the Briard is not available in all version of Nintendogs and Nintendogs and Cats.
No. Unfortunately Nintendo added no weather to the Nintendogs or Nintendogs + Cats games.
No, because Pokemon is not in Nintendogs.