It builds your mentality along with allowing you opportunities for fast advancement and promotions. It's a people helping people business, if you strive for growth and development then it's the perfect place for you. It allows you to have a career not just a job.
Cons
I haven't experienced any negatives in this business thus far. No cons come to mind. Growth and development are important here. You just need to be willing to learn and grow, they will teach you everything else you need to succeed in this business.