Maintaining your car, both inside & out, can be done 100% at your home while your working or relaxing. Getting a professional detail at least once a every 6 months has been proven to increase resell value. On top of that, you'll feel much more proud and happy while driving in a clean car. It is proven in studies that a clean and organized environment fosters a sense of calm, reduces stress, and improves focus, while clutter and disarray can lead to feelings of chaos and anxiety.