I know this is a bit risky but honestly, if one of us decided we truly wanted out, we would work it out somehow.
Having read "a few" contracts the key clauses in any contract are under what conditions is the contract to be ended and what are the remedies involved. And of course the simpler the better.
In some ways this would be like a pre-nup wouldn't it?
Just something to think about as a model. But certainly putting it all down in writing at the beginning will simplify everything for yourselves and potential heirs.
It could be structured in numerous ways. One set being the owner and the other tenant with the "rent" going towards equity vs co-owners for example. A friend of mine was explaining to me that a friend of his actually has his partner pay rent on the house they cohabitate in. As people get tired of me saying in meetings - "there's more than one way to skin a cat - but they all upset the cat".
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells