The CRM team has published a list of commonly asked questions and great solutions on the Microsoft Dynamics CRM Using site. This information is also added to updated releases of the online Help. If you're wondering where all these great questions come from, they come from you, the CRM community. The doc team has a doc feedback link posted in the help that readers use to ask for further clarification.
If you haven't taken advantage of this resource, consider taking a look at Self-help and troubleshooting for Microsoft Dynamics CRM 3.0. We are constantly updating with new and interesting posts.