Open a demo futures account with a broker that offers Ninja Trader, and practice trading on your own. Most place don't teach you anything. Then go live when you're steady trading on the simulator.
You should factor in that you're not paid during 1-2 years you learn. So just your living expenses will put you in the whole for 20-40k. You might as well find a night job and trade during the day. With 10k you can trade a trade a few contracts with a broker. When you have a little track record make the move to a prop. At least if it doesn't work out your career isn't finished.
my 2 cents.
You should factor in that you're not paid during 1-2 years you learn. So just your living expenses will put you in the whole for 20-40k. You might as well find a night job and trade during the day. With 10k you can trade a trade a few contracts with a broker. When you have a little track record make the move to a prop. At least if it doesn't work out your career isn't finished.
my 2 cents.