Julio, I think most of the questioning of price for this book came from the fact the publisher keeps reprinting and selling them for only $3. But now that it has become clear they ship these books like condition doesn't matter in a hobby that thrives on condition, it makes perfect sense you are charging a little extra for the better copies. Especially when pre-screening is involved to ensure they are NM- or better copies.
$7 to ensure you are getting a Near Mint-ish book is not a lot of money at all. Otherwise, order from the publisher, but ensure it is many copies so you can pick through and find one that survived in decent condition.
You're golden, brother. But I'll still bust your chops every time you buy another first print of CPG 1 just for general purposes. You know, because you need all those copies once you start wallpapering your place in a Cursed Pirate Girl theme.