1. Sims are pretty easy to get. In the past, I've advised against buying them in airports because you over pay, but the new rules make street buys challenging enough to justify the airport surcharge (going into a unicom store itself should be a last resort)

2.We have numerous threads here pertaining to Shanghai in general

3. I advise against staying near the Bund if you are cost conscious

4. Yongkang lu, hengshan lu, or those fancy places on the Bund

5. Refer to point #2, but feel free to ask for our opinions about specific options