> robot maid that could clean, wash and fold the laundry, do the dishes, etc. would be huge. I think a lot of people would pay new-car money for something like that.

Once you take maintenance of a machine with price-parity to a new car into consideration, it’s surely cost competitive to just hire a human to do all those things.

The price needs to fall drastically below new-car territory before it’s competitive with manual human labour.

> ”it’s surely cost competitive to just hire a human to do all those things.”

The cost of labour varies hugely in different parts of the world. The cost of hiring someone in Switzerland is on the order of 100X more expensive compared to Bangladesh, for example.

With many countries currently in an anti-immigration political mindset and with birth rates declining globally, labour costs are likely to continue to increase in the future.

But once a technology like general-purpose humanoid robotics exists, it’s costs are only likely to decrease over time.

A new car is what, $25-50K? Thats a one time cost.

How much do you think youd need to pay a maid every year to do your cooking, cleaning, laundry, dirty dishes etc? Coming once a day for 2 hours would be very expensive and still wouldnt be comparable to a robot that you own and is constantly deployed.

And at that point you’re probably comparing owning a robot to renting one.

> it’s surely cost competitive to just hire a human to do all those things.

Depends on the service life/performance/etc.

As a simple benchmark, I will propose 'Mowing the lawn with a push mower'. Let's wave hands and assume there is a setup on a truck where the mower can be parked and then lifted in.

If you're paying the people doing that lawn-mowing federal minimum wage, at 40 hours a week it's 15K/year.

After 3 years that's 45K, or a little under the current US median price of a new car.

IOW, if the robot costs 45-50K, but can make it through 4 years without expensive maintenance you are still 'saving costs'.

There's hand-waving on both sides of my equation; At least where I live even pushing a lawnmower gets you a bit more than minimum wage (although it is more seasonal,) and also I have no clue if when we say 'new car territory' we are talking median or an 80K EV.

Price aside, the more important factor is that we don’t have the repair infrastructure to make something like this worthwhile yet. For something as critical as a car, we have workshops, spare parts supply chains, and the skilled technicians to do the repairs. Conventional robots require a similar skill set, but you still won’t be able to rely on a local repair for something people would expect to be dependable, like aged care or home assistance.

Humans are messy to deal with. Say you're rich enough to afford a personal chef. Unless you're an inhuman monster, their problems become your problems as well. So if your chef is out because their mother is sick and needs someone to take care of her, you pay for a nurse for your chef's mom, so that you have your chef. A robot servant is still gonna need maintenance, sure, but it's a bit easier to be callous to a robot than a person.

maintenance cost of machines is largely driven by human labor cost

If you're paying cash/under the table, then maybe. But even then a twice a week household cleaning hire is going to cost upwards of $1500/mo unless you're being particularly exploitative. If you're not under the table, you're paying payroll taxes, probably paying for a payroll service, etc. so you're talking $2000+. At best you can maybe stay under $20k a year.

When you really look at the economics of it, a robot that never gets sick/doesn't require payroll/etc. makes a lot more sense.