Learning how to sing properly needs much time and peronal sacrifice and there is no quick fix. That even the professional singer is also having some singing lesson. And if you are one who have the amazing voice, and have a much passion for singing. Then go for the dream! Nothing can stop you.
So the most important thing if you want to learn how to sing really good is to be passionate about your voice. It doesn’t matter how hard you suck at singing currently because if you are willing to invest much time and some money someday you will sing like a professional.