The developer agrees to sell a certain unit that he has left to build, while the buyer promises to pay a certain amount in instalments or in full. A sales contract contains the basic logistics of the sale, such as.B. information about prices and delivery, but also contains the information necessary for a fair relationship between the parties, such as for example. B the risk of loss. A: Before entering into the two types of sales contracts, you need to distinguish the parts of a basic contract….