It costs 100 yuan to take a taxi from downtown, including tolls. You can also take bus No.9 at Santun North Station to Wulabo Management Station, which is four or five kilometers away from the ancient city. It takes an hour to walk, or take a minibus to 20 yuan.
You can eat at the local farmers' home. The price is not expensive and can be negotiated. The reservoir next to it is the water source of Urumqi, so be careful not to pollute it.