Plenty of employers provide at least some of that and reimburse for the rest. That should be the norm… and it is still way cheaper than a desk space in an office.

And for employees, the cost saving on the commute makes up for more than the costs of electricity and stuff.

Not really. The company should pay for everything you need to do your job.

Check with your boss/HR. My partner works for a University, and they have received an ergo mouse, chair, and motorized adjustable desk for their home office simply by requesting them. Most organizations have a budget for IT accomodations and they hardly ever use it.

Also, if you can get a Dr’s note for it, most places will purchase just about any accomodations you need for work. Larger monitors, ergo keyboard, dictation software…etc…