1. This garden-in-the-sky concept saves precious space in your small high-rise apartment.
2. Use a corner of your open balcony to catch free sunshine and rainwater to save your utilities bill.
3. Easy to care and no parasitic weeds to remove, and thus save a lot of your precious time and effort.
4. A place for you to enjoy some nature without having to walk to a park, and therefore save you a lot more time and effort.
5. Please don't try this garden-in-the-sky concept when you already have your garden on the ground 'coz you're already wasting too much time and effort on your landed property. Heeheehee!