When it comes to budget, there's no right or wrong answer - so long as you're not making these 5 common mistakes most people make when buying an office chair. You can find a super-comfortable office chair for around the $200 / £200 mark, or spend thousands on a premium ergonomic seat. Generally speaking, we'd avoid suspiciously cheap chairs - anything below $50 will likely suffer from poor build quality and limited adjustability and padding. In our experience, those in the $100 bracket can be very hit and miss, so check reviews. There are many factors at play when you're looking at how to buy an office chair and you can find a comfortable and ergonomic chair in every budget range.