The Nikon D50 is no longer in production, but you could be able to find good deals from stores which still have a few units remaining in stock, or from the used market.
You might like to perform your Nikon D50 online shopping using the tools and sites below:
Amazon: This is a predefined link for Nikon D50 configurations on Amazon.
eBay: Browse the Nikon D50 offers and listings but don’t forget to only purchase from reputable sellers.