Your father was right about studies, education is a top priority, because you're able to get a wide variety of jobs, and good paying too depending on where you're from, and you could make a lot more than $7,000, and use it towards investment money.
Personally, I think bitcoin is a great investment to make, because the coin is halving in April 2024, which will most likely make BTC price fluctuate.
But, it is your money, and before you invest the money, you should let your dad know of the risks, or at least information about investing/cryptocurrency, since from the details that you've told makes it seem like he doesn't know much about investing.
I wish you good luck though on your investment, and hopefully it was worth it!