I think he is selling them at very good price. If somebody looking for that kind of wheels - they will get a bargain.
Yea, they might be second hand...but they have no marks or anything...so what difference does it make to you? They will look 100% the same if you buy brand new ones... But with these you're saving yourself few hundred quid!
I understand if they had marks or something - then yes, drop price a bit.
You saving yourself money and hussle, as you don't have to take them to a garage to get fitted and balanced and possibly damaged. And you won't fit them all in the zed (4 wheels and 4 tyres separately), so will have to
Use another car or ask your mates = even more hussle.