Hello I need to know where I can get a constant supply of XP pro with a valid key and C.O.A. sticker for around fifty dollars? I would appreciate the help.

Ive seen OEM version for $95 before, but for retail copy no way you will find for close to $50, if you do find it, would you tell anybody else where to get that deal.

Be careful where you order from also because people do some shady stuff with the product keys

I did find one but I dont if I could trust it buy at your own risk. Here is the link.
http://edirectbuy.net/index.php?categoryID=87
If you do get it please let me know if its the real deal.

Most of the eDirectBuy orders come back, "Out of Stock" then you get lots of spam from then on... I do not know anybody who has placed a successful order.
The lowest I have seen is $64 for Academic XP Home, $85 for Windows XP Home, and $ 105 to $129 for Windows XP Professional...
Any thing otherwise is suspect, because they can always sell them for the above on eBay... so why would they sell to you.
Also, "Unlimited Installs" is a red flag.
You won't get your money back, either.

Anything internet site that reinforces thats its a real product key, or its genuine etc etc is almost always compensating for the fact that they don't have the real deal.
cheers
Hynesy