You've worked hard to maintain a nice yard. Keeping it that way can be a real pain in the back.
If you don't rake up the leaves, sticks and other yard debris, your grass might smother and die.
You could use a lawn vacuum to clean up the leaves, and then drag out a chipper-shredder to clean up the branches and sticks.
Or, you can get both jobs done quickly and easily at the same time. Just suck everything up in one fell swoop with a chipper-shredder vacuum.