This might not be feasible. If you are making a game for yourself and your kid, you might not be using assets (art, sound, etc.) that you could distribute/sell in your game.
I made a game for my daughters 3rd birthday, recorded some Blipi and Coco Melon songs off youtube that I put in the game. I would not have the right to sell the game without securing rights to the songs (unless I want a lawsuit on my hands).
How would you distribute that over the Switch in the first place to the daughter and/or friends if you don't have the licenses to the assets you're using?
I made a game for my daughters 3rd birthday, recorded some Blipi and Coco Melon songs off youtube that I put in the game. I would not have the right to sell the game without securing rights to the songs (unless I want a lawsuit on my hands).