the thing is this isn't going to change your life automatically, having a big win isn't going to make you financially stable, your more has to make money for you,
If they are the type that knows how to manage their money and have business idea they’ll be able to turn their life around with that money that they won but if they are the type that like living luxurious lifestyle they’ll end up blowing everything away and still return back to square one.
Personally, I haven’t been lucky enough to win a huge amount form gambling have made a few profits and also some loses but nothing that stands out from the ordinary.