Why did joe carracoughts father sell lassie?

Joe Carracough's father sold Lassie due to financial difficulties and the need to make ends meet. Despite his love for the dog, he believed that selling Lassie would provide the family with some much-needed money. The decision was painful, reflecting the harsh realities of their situation. Ultimately, it highlights the bond between Joe and Lassie, showcasing themes of loyalty and sacrifice.