Here we are, at the cross road

Things are not going as planned, I am reaching a cross road where I have limited time, but many ideas.
I am torn between game development, music and 3D modeling/interior design, these are my 3 main Ideas that are tearing me apart.
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Music
My thoughts are made about that subject,I will be making the sound track for my game at the end of the production phase, as I see no financial future for this path, and I am not saying it out of greediness as if my ultimate target is becoming rich, it's just that at this age, Money=Time, and I want a product that gets me money thus providing me with time for my future projects.

Game development
This is the main active project for the past year or so, I am at the point where I invested so much power into learning it, and I reached a good point into developing my game, BUT I hardly reached half way into finishing my product, so I am hitting the wall where you either push through or change your path, the wall where you already put so much effort and you'r waiting the fruits of your work, but you know deep inside that the goal is far ahead, and even by then it's not determined if you will GAIN from it or it will be brushed off as another game that is "Fine".

3D modeling and interior design
That is the new path where I am still afraid to step into, I will be starting all over again, stepping into it as a complete newbie, yet it holds the potential of being the most efficient financially, but devoting my already short time into it can only hinder the progress of the game into a full stop, I tried studying 3D modeling and working on the game + the day job at the same time but my brain was fried in a couple of days, So i may have to make a tough decision very soon, or try to juggle both paths at the same time.

"Time is our only true currency in this life"
Ahmad Al-Natshe
13/9/2017