The only thing more expensive than buying an office chair is not buying an office chair.
Gaming vs. Office Chairs: What I Learned After Selling Thousands
If you have a regular job, in an office, with rules about not ruining employees’ bodies, it’s easy to get a good chair. You either have one or you ask for one. Unfortunately, for people who work from home, there’s a good chance you’ll have to pay for it yourself, and then you realize you don’t get much change for a grand.
That's a ridiculous amount of money for a chair, but if you keep working on a kitchen stool or a cheap Ikea chair, you'll end up spending a lot more than that in doctor's bills or pain and suffering.
This article is not about choosing a particular chair. It is about what the right and wrong chairs can do to your body and mind.