1、Full use of the local public transport
As you know, when you are travel, a lot of money will be spend on the transportation. so i suggest you`d better full use of the local public transport,maybe take a bus is very difficult especially first traveling to shanghai, but metro is a good choice. There are 5 metro lines in shanghai, you can go nearly wherever you want, and taking metro can spare the bother of traffic jam.
2、use travel app for you iphone
If you are an iphone user, I think you can buy some use travel app on the app store. It can not only save the time in searching information on the internet, but also easy to schlep. I’ve ever use one called "xTown Guangzhou Asian Game" which is very practical, it contain not only the require airways, banks and traffic information, ...