So first off, we need to consider what an inanimate object can do, and what it can't do by itself. From the description of the spell, all objects can do a task that the object could do if it had mobility. So, it is a little different than growing arms to carry buckets, for example.
|Using this book for inspiration.|
|Attribute Modifiers: DX+6; IQ +1|
|Secondary Characteristic Modifiers: Basic Move +4; Basic Speed -1.5[-30]; Per-1[-5]; Will-1[-5]|
|Advantages: Lifting ST 5 |
|Disadvantages: Automaton[-85]; Short Term Obsession(Follow My One Order) (CR: Constantly)[-20]|
|This system for more details|
to help understand these specs
Other Thoughts and Closing
Also, Brainstorm, you can't maintain two alternate abilities simultaneously, but if you learn Dancing Object at it's full cost, then you could learn an array of cheap afflictions to teach slightly more difficult skills, like Housekeeping, Gardening, etc. You could of course, then only have one type of smarter servant active at a time, but you might be able to get all the housekeeping done in one iteration, and all the gardening done in another.