If you want to become a better singer and you can't afford expensive lessons with vocal coaches you should really try online programs. This one:
in my opinion is the best online step-by-step system designed to improve your singing voice.
Whether you are a beginner or you have some singing skills, this tool can help you gain amazing vocal control, develop excellent pitch, unlock great tone, improve your vocal power, gain precise vocal agility, increase your vocal range and learn advanced signing techniques.
I used it and I saw great results. That's why I recommend it.