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Degree is good. Easier to get a job after Cabair, hmm.... depends how much more money you want to spend!
Degree + modular training would be the "cheapest" option. And just as difficult to get a job.
Try getting your PPL first, and see if you like flying + your class 1 medical, before you go blowing £40.000 - £80.000 on flight training!
Loans = security against property, no security = no loans.
Good luck