Maintaining a great outdoor living space or a healthy lawn is no small feat. It is often the desire of every homeowner with a yard or garden, but often, things are easier said than done. Some projects are simple to handle, while others require the intervention of professionals. However, how do you know what to do and what to leave to the professionals? The following are five lawn projects that you should leave to the professionals, not because you are unable to DIY them, but because the chances of the project coming out better are higher.