Start the car 10-15 minutes before you need to leave - the neighbours will soon club together to get it fixed.
More seriously - Chri5 has the right idea, or if you can't/won't do that, why not engage reverse after you've parked, and leave it there? As long as you remember to dip the clutch when starting you'll be fine.
It might also be worth asking on the Car Repairs / Maintenance forum.....