Sinners (4K Ultra HD) [UHD] [Standard] [4K Ultra HD Blu-ray]

Is BEST BUY selling blurays & 4k uhd discs again ?

Is a poster included

Does the movie Sinners have a slip cover

Thanks for your answer about BLURAY & 4K DISCS , but I only see a limited amount available . Where will you show all the movies available for sale ??