Many elites train for 40+ hours a week, but that is only necessary for those hoping to participate in the Olympics. There is a point of diminishing returns and the risk of injury increases exponentially, especially if you are an adult and just starting out. What skills do you currently have, and how long have you been training for/wanted to train? At the gym I coach at, this is how often our team practices -
Level 10 : 20 hours per week
Levels 7-9 : 15 hours per week
Levels 4-6 : 12 hours per week
Level 3 : 10 hours per week
8-10 hours is a good starting point, giving your body time to adapt to the rigors of training. As long as you have a coach and train efficiently, you shouldn't ever need much more than 8-10 hours per week.
If you have any additional questions or would like to discuss a path forward in terms of accomplishing your goals, feel free to send me a direct message! I like helping people out