Extending the garage may present challenges such as zoning restrictions, property line proximity, and necessary modifications to the roof and slab. The discussion highlights the importance of assessing local regulations and potential structural changes, including footings and electrical work. Some participants suggest that building a second garage or adding a second story with car elevators could be more practical solutions. The conversation emphasizes the need for clarity on the property layout before making decisions. Overall, careful planning and consideration of local codes are essential for any garage expansion project.