Below is the E-mail I sent to Buy.com after two very frustrating, and relatively painless things for them to do for me to correct these experiences... Just simply inexcusable... I wish I had checked out this, and other sites like this, before buying from them.

I think all of the positive reviews are from people who have never had to deal with exchanging, returning, or simply interacting with their Customer Service one on one. I had bought a couple of things before from them, and had no problems... But, when you DO have a problem, you will NOT get satisfaction!
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To Buy.com:

So, when my replacement hard drive arrives today, how do I return it for a full refund?

Buy.com has provided the WORST Customer Service I have ever experienced out of an online store!! Bar NONE!!

First, you sent me a DVD box set that had a duplicate DVD in it, and you wouldn't exchange it because of some fine print of not returning it within 14 days, and now this with the hard drive!! How could anyone POSSIBLY watch an entire season of shows within 14 days of YOUR ship date?!?!? I examined the DVD's when they arrived, but when the double sided, labeless-DVD numbers are 4 point type on the inside of the clear part of the DVD hole, how on EARTH can you expect people to stop to check for duplicate DVDs?!?! Now, I have 3, THREE DAYS, to order before you won't price match a product?!?!?! That is simply LUDICROUS!!! How you stay in business for long, is beyond me! You sold me this drive initially, and now all I want you to do is match your OWN price for this same drive!!

I have called REPEATEDLY to try and talk with a Supervisor to try and correct this situation, but repeatedly have been ignored, with no return calls.

Seems to me, exchanging (EXCHANGING, not returning!) a single DVD from a set worth $15, and crediting my account $25 for this hard drive price match (from your OWN STORE!!), would go a LONG ways to insuring a long term relationship between your company and myself, let alone every person I will talk to from here on out - while costing your company VERY little!!

Buy.com REALLY needs to learn about what it takes to provide good Customer Service. You have lost my business from now on, both personally and professionally, as well as the 186 people I just Blind Carbon Copied in on this E-mail to let THEM know how utterly pathetic Buy.com's Customer Service is.

Friends, and co-workers, I know many of you look to me for buying advice for most things online. You will find more details below of what a FARCE Buy.com's Customer Service is like. I strongly recommend you never buy ANYTHING from Buy.com, for fear of ending up with the same pathetic excuse for Customer Service as I have received. And, I strongly recommend you send this on to everyone in YOUR E-mail list as well! People need to be warned of what dealing with Buy.com can be like!!

I have blind carboned you in on this E-mail, so as not to inadvertently provide Buy.com with all of your E-mails, and unintentionally have you added to their spam list of specials, where I got sucked into their Customer Service void.

I truly hope Buy.com feels the pain of not doing "the right thing" here... For something that seems SOOO trivial, they could have just "taken care of me" for very little cost to the company (and I think you will ALL agree, I was deserving of better service that this!), but instead, their true light of how they do business shown bright, and clear.

Pass the word.

P.S. Of course, this will fall on deaf ears there, from some no brain thinking Customer Service Rep at Buy.com, but at least you all have been warned, and hopefully, you warn all of your OTHER friends as well... it's the only way we can make a difference. Again, pass the word!