Hi
If you have searched the threads about here you should be well aware of the state of commercial aviation at present and how it is changing.
I have no idea how it will be in 1,2, 5 or 10 years time but what I do know is time is on your side. By all means start flying lessons, make flying your passion, but consider the possibility of failure from whatever cause being it ability, medical, financial or just loss of interest.
Prudent people have a plan B, a back up if plan A does not work or is delayed.
Get your highers, get a skill set or a trade, anything that will enable you to earn a resaonable living and look upon the flying as a passion that might, just might become a career.
Yes, I know you are convinced you will be one of the few that will make it, maybe you will and I hope you do, but please just think for a moment 'what if it doesn't happen' for whatever reason.
Good luck
And remember give nobody money up front!