Someone can spend a week researching a TV to spend £500 and half a day buying it. That person can spend a week researching a flying career to spend £40,000 and 3 years 'buying' it.
Not saying this is you princeoftheskies, but make sure you spend a proportionate amount of time looking into the career.
Also bear in mind this forum has been running donky's years, there have been people before in similar situations who have asked similar questions.
You will find that some of your questions will be responded to quite coldly with 'do a search', this is to stop the same issue being repeated again and again. Spend as much time as possible looking through existing threads, good luck (and sorry to hear about a bad first experience!)