Paying more for a suitable ergonomic chair might save funds eventually since you will not need discomfort costs, treatments, or productivity losses.
Backs that ache with bad posture, with muscles that are fatigued can lead to bigger problems also fixing those problems is often more expensive than investing one time in a good chair. Physiotherapy or massage treatment or chiropractic treatment can be regularly visited. Still, the prices may rise fast.
Those issues are prevented by an ergonomic chair before they start. Needed support for your body prevents daily strain battles. It is part of your daily health routine and not just a piece of furniture in that sense then.
Yes, indeed an ergonomic chair has real value. It is of worth for the price. Daily you use it each day, supporting your focus, comfort, and even health.