Hopefully the title is self-explanatory here - It would be great for users to have the ability to edit their own posts after original submission within a reasonable, brief timeframe.
Most sportsbetting forums allow users 5 mins (or so) of editing time from original post time. This is especially helpful when typos (wrong team, spread, odds, etc.) are initially submitted that the poster can then quickly fix without having to wait to create a new post in the thread. It would also cut down on the confusion and subsequent replies by other posters asking for clarification about the mistakes/typos in the original post.