The application is up on their website. Don't be speculating about the costs or the training location. Read the website and you'll see ...
From the website...
Training Location
A number of training locations are being considered. The final choice will be advised to you later in the recruitment process. Opportunities for travel home during the course will be limited.
Training Costs
The approximate cost of the training programme is €100,000. If you are successful in your application you will be required to fund a portion of the training costs. The details of this will be outlined at a later stage in the selection process.
Just fill in the app and see what happens. Best of luck to all those applying.
XXX Cessnagirl