Which of the following sentences is the BEST way to rewrite the following sentence?

My brother, to make extra money, has a variety of odd jobs including painting houses, walking dogs, and to mow the neighbor's yards.
To make extra money, my brother has a variety of odd jobs including painting houses, walking dogs, and mowing yards.
Leave it as is.
My brother has a variety of odd jobs including painting houses, walking dogs, and mowing yards to make extra money.