Making a buck off a relative

Question: A few years ago I gave my sister my old car. Now Emma’s bought a new one and sold mine to our 18-year-old brother. I’m furious she didn’t just give the car to Colin, as I gave it to her. Mom says that I should mind my own business, that Emma isn’t as well off as I am. Who’s right? Answer: Sorry, but unless you told Emma that there was a string attached to your gift - that when she disposed of the car, she had to give, not sell, it to a family member - your sister was free to take Co