What is the best 300cc dune buggy to purchase?

okay there is a couple ill list them

300cc go kart dune buggy 2 seats and free shipping. 5,325.02 jonway America Inc.

Roketa Racing dune buggy 300cc free shipping. 3,795.12 boompowersports.com

2009 Gio sand Jeep buggy 300cc water cool 4,999.95 eBay.com/eBay

these are all the things i could think of.but they are at a great price for college.