Agreed; NO!
It can never be called an investment when it comes to forking up cash in order to be somewhat employed. This malpractise continues to keep T&Cs deteriorating and should, in fact, be banned by law. Do your wallet, and your fellow aviators, a bi favor. Don`t do it. Also, read the thread about Airbus saying that pilot handling skills are coming to an alltime low. Again, do yourself a huge favor and do your time through the ranks. You might just learn a lot about flying that way