Relatives on my stepfather's side of the family did this to their mother. They persuaded her to sell them her house (big detached house in one of the counties Mumsnetters claim to live in) with the plan that they would turn the garage and utility room into a one bed flat for her, with its own little garden, and the husband and wife would help her day to day as she became more frail, and nurse her at home until the end of her life when the time came. What actually happened was that while mum was fit and well, she was an unpaid babysitter/house keeper. As she got older, she became less useful, and was pretty much ignored. She had microwave meals delivered, she was never invited to eat with the family. When she had a stroke, she apparently was on the floor of her kitchen for 3 days. She went into hospital and then straight into a care home. The couple with the house turned the annex very swiftly into a study and a second sitting room, before she had even passed away. Poor old lady, she thought she was giving up her house to be looked after and be part of the family, but she was just used for her money. My stepdad was really upset but there was nothing he, or anyone else, could do, because the old lady had capacity when she sold them her house. He did tell me that he altered one of the couple's personalised numberplates to bleep 21 though. Sharpies are wonderful pens.