FireWorks
With all due respect, you have no clue what you're talking about. I suspect the part of the world that you are from, is obviously flooded with choices and thence pilots can cherry pick from so many jobs available, including picking your potential employer for a self paid LHS upgrade?
I'll certainly be delighted to know where, and which airline/airlines offer such contract deals since I have no less than couple of dozens of mates who are high hours FOs waiting for such golden opportunities. Care to share?