For many years, I have been amused by people who rake and bag (or burn) yard leaves. They spend money on fertilizer for their yard (that isn't even properly used by the plants). Then they get rid off the world's best organic mulch by not utilizing leaves. Thus, they hamper the build up of humus in the soil and perpetuate a cycle of foolishness.
Note: Buy a "leaf blower-vacuum" and instead of using the leaf blower function to blow leaves, reverse the air flow and vacuum the leaves out of your flower beds into the catch bag from non-lawn areas. Dump the now shredded leaves into a leaf composter and use as flower bed mulch in winterizing them next year.
I use a movable wire composter: