Is anyone studying Cosmetology?

Is it hard,easy... and can you be succesful with this major in the future.IS Anyone going tru this. Anyway,im a senior in high school im interested in studying cosmetology,but im having second thoughs.what if im not succesful? is it a good carrer.?do they win good money? i really love cosmetology,hair,makeup,nails, everything...so PLEASE HELP!