The money is in both, and arguably there are greater knock-on effects from automating "labor for those tasks is so cheap to make robots uncompetitive price wise".
A humaniform robot imbued with sentience and what little progress we've made on (emulating?) sapience is sufficient to substantially (not entirely replace) disrupt the human labor demand from the following industries.
* Residential lawn care for Single Family Residences, a $10B annual industry in the US alone. http://bit.ly/2eu4Ulm
* Residential maid service, a $30B annual industry in the US alone. http://bit.ly/2eSQ3oL
* Residential home senior health care, a $180B annual industry in the US alone. http://bit.ly/1ufk95Y
* If residential meal prep and cooking were mostly or possibly entirely automated, then that can convert the personal chef
industry from hundreds of millions into one that poaches a significant portion of the $780B fast casual industry.
http://bit.ly/2dJweO0
That's just four industries, with a combined annual revenue of $1T in the US alone, with tremendous consumer demand. There are lots of other possible industries that can be disrupted with such a "simple" robot, especially in the commercial sectors, and globally. It is not a stretch to say such a robot is a multi-trillion dollar opportunity.
Suppose you offer a $100K humaniform robot with OTA software updates that can perform most household chores, geofence young children into a specific locality, and basically the sense range, kinesthetic sense of a human, object recognition depth of current AI software, but with only the sapience of what we associate with AI today. Amortize the payments over 30 years, and I expect a billion households will beat a path to your door and happily pay that amount.
It would be hard to predict the knock-on economic and other effects of the development of mass-produced personal household robots. Probably similar to trying to predict the demand upon lithium supplies a century from when the Model T was introduced. Perhaps something similarly unexpected like divorce rates dramatically drop due to fewer domestic disputes over household chores because most of those chores disappear.
My thesis is that the people building robots are not dumb, and already realize the financial potential in figuring out sentience, and already are aware at some level that the sentience I speak of is incredibly difficult to build because we understand so little about it, and the AI field focuses upon coming in at the problem from the sapience angle/level for the good reason that sapience is closer to our current form of computer technology than sentience.