Kathie 'Kat"’s Answer
It works best if you are fully aware of this upfront and plan accordingly. Generally, it will take 3-6 months to get it rolling so you will want to have a plan for how you are going to handle your finances during this time.
The business of Real Estate has ups and downs, so learn your market and work to find a Mentor in your area that will help you become a Successful Realtor, investigate joining a team since this may help kick start your career, and if you have new construction going on in your area, that may be a way to learn the business while also collecting a small salary and commission. There are many options and many seasoned professionals that will be happy to help you grow into a successful Realtor.