Most of this may or may not be relevant to your situation but after completing development, staging, and most of the production implementation of an ASP.NET MVC site I wanted to share some of what I learned.
The majority are one or two-off hacks from someone else's code or a down/upgrade where appropriate, creating a Frankenstein. These won't necessarily be in order I don't think.
ELMAH_LogErrorstored procedure to SQL 2000
ELMAH_LogErrorpruning taken from 2 blog posts from a single source