One thing I can remember is that the questions seem to be repeated in different ways throughout the application. It would be good to read through the app before writing anything.

Something I did was write all the answers on separate piece of paper, then after much anxiety wrote the answers on the application. It might even be good to go look here for other tips and tricks.

http://neurotalk.psychcentral.com/forum28.html

There is tons of good information here. People have shared their stories, tips, and everything else. A real goldmine of social security information.