Yes, you dont need to create report everytime, List View of SugarCRM is so powerful, that most of the day to day information that you need will be available from List View it self.
Basic and Advanced Search functionality to help you find your records easily and effectively in a module specific manner. You can get basic report without any extra efforts & only by search options.
There is one more goodies here - You can export (to CSV or Excel) whatever you see here on the screen.
This video explains all the above concepts with very simple example, which you cannot fail to understand. Take this as example and try various combinations on your own. Remember, when it comes to reporting - your imagination is your limitation.