If you can afford it easily, why not ? If not forget it .
All the advice in the world won’t stop people following their “ dream “. It wouldn’t have stopped me, but then again it was sub £20k all those years ago.
And all those lofty comments about checking your situational awareness for the job - I’m sorry , airlines that expect you to PTF already care not for that argument .
And don’t feel bad if you fail selection stuff, I’m convinced I would as it seems to be often a case of HR departments justifying a reason for their existence .