my son's wedding

what would you do?
my son is getting married this year and the wedding is in jamaica my problem is that we have not long moved into a new house and still needs some work doing on it so if me and the gaffa go to jamiaca this will use a big chunk of our savings so is it money for the house or a week in jamaica.Hello by the way i'm new on here so bear with me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!