Accordingly, are expensive chairs worth it?
If you work from home nine hours a day, five days a week, that premium chair is probably worth it. If you spread this amount over a period of years, that chair's price might end up being just a few cents per day.
Secondly, is Steelcase Series 1 worth it? Earning the Best Buy Award, the Steelcase Series 1 is a decent all-around chair that won't break the bank compared to the top products. It's not the best chair for serious sitters but is a good option for a home office that gets mild to moderate use or anyone who isn't planted to their chair for 40+ hours a week.
Also asked, why office chairs so expensive?
Because office chairs are built at lower volumes, at much, much higher standards, and usually offer customization to clients who might buy hundreds of even thousands of them at a time. They also have a lot of engineering behind them to last a long time, be comfortable and ergonomic.
Do you really need a gaming chair?
Sitting in a gaming chair will help your body to develop healthy posture. If you only sit a few hours per day, a cheap gaming chair will provide the ergonomics you need. Those who sit full-time would be better off investing in a professional gaming chair.