The terms require the base to mean something
If this came with written terms they would say: wherever you live has to stand for something, or you will not be able to stay in it. Pluto in Sagittarius in the 4th house puts the search for meaning into the foundation, so an ordinary comfortable home is not sufficient for you.
Pluto crosses a sign slowly, so Sagittarius is the shared half here, the tone of a long span of birth years rather than anything about you. Your birth time supplied the 4th house, which is the individual half. It means the questioning is aimed at roots: what your family believed, where you are actually from, and whether the ground you were given is ground you can stand on.
The household's account of the world
On the household's account of the world. Every family transmits a set of beliefs about what people are like and what life is for, and yours transmitted a strong one. You have been arguing with it for years, sometimes in person and mostly in your head. That argument is the actual work of this placement rather than a phase of it.
Staying put is where it jams
You need somewhere to come back to and you cannot bear to be contained by it, and both are permanent. The result is a pattern of settling and then needing out, which the people around you experience as instability. Name the pattern in advance rather than after, so that the next move is a plan instead of an escape.
How the family reads your leaving
To them you went away, in distance or in belief or both, and the going was taken as a verdict on them. Some of it was. The part they did not see is that you have carried the place with you and you go on arguing with it daily. Tell one of them that, since from where they stand you simply left.
A base with a horizon attached
You can have both, and the arrangement has to be built deliberately: a home that is genuinely yours, plus a standing agreement with yourself about going somewhere. Left to itself the tension resolves by rupture every few years. Written into the calendar, it stops needing to blow anything up in order to happen.
You went to find out if it was true
You left, physically or intellectually, to test whether what you had been told about the world held anywhere else, and it did not, and that finding has organised everything since. It also cost you a straightforward relationship with where you came from. Both are real. Neither of them requires you to go back or to stay away.
Your house is a place people pass through
Friends, strangers and people from elsewhere end up staying at yours, and you like a home that has traffic in it. It is genuine hospitality and it also keeps the base from becoming too settled to leave. Notice which of the two motives is operating when you next offer somebody a room.
No horizon shows up in the body
When there is nothing ahead of you, appetite grows, sleep flattens and a general heaviness settles in that is not explained by anything you did. It is not laziness, it is a system built to expand and currently pointed at a wall. Put something genuinely unfamiliar in the diary before the heaviness arrives, since afterwards you will not want to.
A partner your family would not have chosen
The people you have brought home have generally not matched what your relatives expected, and that has been part of the attraction rather than an accident. What you are choosing is somebody who proves the household's account of life was not the only one. Make sure the person is also chosen for themselves, since the second function outlasts the first by decades.
Property somewhere you are not
Owning something in another place appeals to you disproportionately: a house abroad, land somewhere you have been once, a base held in reserve for a life you have not started. That impulse is worth taking seriously and worth costing honestly. Write down what you would actually do with it, since the appeal may be about the option rather than the asset.