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A Roomba + dishwasher + washer/dryer set + mower-bot[1] + snowblower-bot[2] all already exist and do add up to thousands.

[1] https://www.pcmag.com/picks/the-best-robot-lawn-mowers

[2] https://www.geeky-gadgets.com/robot-snow-blower-24-10-2019/

It starts with a spouse to create children who do those tasks. The challenge is to space them appropriately to maximize your return on investment. It starts at thousands a year and eventually consumes at least half of your net worth

Such a robot would cost at least twice as much as the average pickup truck sold in the US, not measly thousands.