mb2ai - don't worry about dartgnan: he has issues.
The reference threads should give you an overview of what you actually face - yes, you could pay upwards of £100k, but you could also do it for less, either through (a) modular, (b) working so hard at integrated that you are put forward for BA, or are successful at CTC, so the cash is not upfront for a TR, or (c) aiming for the corporate jet world.