MIL has 'kindly' allowed us to live in her house, which is unmortgaged, rent free.
I say 'kindly' as it's a shell of a house that had needed completely gutting and renovating to make it habitable including expensive jobs such as replacing the bathroom, floors throughout, installing central heating and replacing the whole fence for the large back garden with no financial help from MIL.
I've broached the subject with DH that as we've spent a not insignificant amount of money on the house that we approach his mum with the view to buying it off her. He's not adverse to the idea but feels his mum will be very against it.
I'm petrified that now the house is in a very good condition she's quids in and could well sell it from under us.
We have no tenancy agreement in place either.
What would, in your mind, be a good solution here?