I think it's important for my kids to not only take care of their own things, but help with general chores around the house. My 9yo is capable of doing laundry (he washes and dries one load a day, but I still fold and put away), takes out the trash and recycling, and vacuums the dining room. My 7yo sweeps the kitchen floor, puts miscellaneous shoes and things in the shoe closet, and takes dirty clothes to the laundry room. This is in addition to their own bedroom care.
Isaiah is 3 and can pick up his own toys, but that's pretty much it.