My advice is to not buy Acceptable, because many of those are just this side of the landfill, as there are often loose pages, a cracked spine, torn covers or inside pages, or scribbled in. The lowest quality I'll accept is Good, but prefer Very Good - Like New (these tend to be bargain-table copies that don't get sold; think of the piles of books from Chapters/Coles that sit around and are marked at a small fraction of their original price).
That's not to say that whoever fills the orders won't slip a lesser-quality book in as a substitute. I've had several incidents of torn covers, cracked spines, loose pages, etc. in a book listed in Good or better condition. This is not acceptable, and I tell them that I want either a replacement of the quality I ordered (or better), or a refund. They've always issued a refund.
I don't recommend doing this too often, as some people see it as a way to always get free books. They have ways of detecting people who try this. I've always been honest with the sellers about the condition of what's been sent and let them know that I keep and re-read the books I order, and so any that are not in the condition I ordered are unacceptable.
Always check the seller ratings, and avoid the ones with a low number of ratings. Check out the reviews, especially the negative ones. Those are often clues as to how reliable the sellers are (either slow to send them, sending the wrong item, an inferior quality item, or not sending them at all).
The Canadian sellers are obliged to collect GST, but the U.S. and UK ones aren't. NAFTA 2.0 was signed and given Royal Assent, so you should be safe ordering more than $20 from a U.S. seller (I had to decline an order last year because it was slightly over $20 and the courier company added on customs duties - which negated the reason for going with that seller in the first place).
![[pissed]](/images/smilies/pissed.gif "Pissed [pissed]")
