Tech is like the oil industry. When new source/technology for extracting value has been discovered there is a huge boom, lavish salaries and benefits. And then

Tech is like the oil industry. When new source/technology for extracting value has been discovered there is a huge boom, lavish salaries and benefits. And then source get depleted/technology becomes commodity, people lose their jobs and everything gets outsourced in search of efficiency. Fellow coders learn from the oil workers. Don't treat your today's salary as your normal salary. Keep a huge cushion for re-training during long periods of no opportunity.