Yes, he could make a decent amount of money by this way but this is extreme and unnecessary especially as a father of 3y old.
I mean, what will happen if his kid needs something more than plain toy? Education, socialization?
If he wants so badly to risk everything, why doesn't keep 10% for speculations and investments in new coins - to feed their daily needs.
but if he can succeed in this way, it seems to be one reflection, I would rather think that this person has gone mad and desperate. but this will be a tremendous step and speculation. when success comes to him. he will be one of the people who record history in a bitcoin insane investment