Auction Card Quality - General Question

[Nunzio11]

Let me start by saying I'm a new (old) collector so my online auction experience is virtually none.

I won an raw card auction lot online not to long ago and was a little disappointed on the overall quality of cards in the lot. Please understand I didn't break the bank and this wasn't a huge focus. I thought at the time I got a pretty good deal. I just wanted to test the auction waters for prices, quality, and get the adrenaline rush.

If an auction gives and approximate grade on ungraded cards, how do you perceive that grade? Do you knock it down a notch and bid accordingly? Do you expect the couple quality cards in that lot to be the approximate grade and write of the rest as maybe you'll get lucky?