>>1937>living cushy for the rest of their livesDoesn't have to be that, you can go to a technical college to learn how to weld, how to install HVAC, join the medical field, become a pharmacist, I don't know. You have to do your own research, but these sorts of vocations are going to pay more than working at McPorky's, which is the fate you should try to avoid.
>>1938>What is the right environmentCreature comforts alongside enough money to be independent. The moment you're dependent on someone else (a friend, a family member, a spouse, etc) you've lost the game. Ideally, you could find a way to work from home and try to mesh your daily NEETmaxxing routine with your job. That's the real golden ticket, because then you can play vidya, listen to podcasts, whatever else in between your job, plus you cut out certain expenses, like money you need to fuel your car in order to arrive at work.