When changing my pads Zmanalex fitted the pad with the wear indicators on the inside! The inner pad wears much faster than the outer on a Zed! Its just one of it's little nuances!
I'm sure Alex knows what he is doing! He is the Zman after all!
Welcome to the Forum!
Post up a link so we can all have a look!
As Jay said sounds like a great deal, just make sure it's not a Melon! (ie A really big lemon!)