You have bought a car or a flat, and after a while the seller is bankrupt. His trustee is trying to challenge the transaction. You will have to return the property to the bankruptcy estate and get on the register. The likelihood that you will get your money back is negligible. That is why you need to know how to protect yourself at the purchase stage. For example, don't buy the property at a very low price. How to distinguish the bargain from the one, which in the future will challenge, told the experts. They also shared other tips on how to reduce the buyer's risk.