Years ago I did the math on installing a small vertical farm in my home to provide me with all the green vegetables I eat. I quickly realised that it would cost

Years ago I did the math on installing a small vertical farm in my home to provide me with all the green vegetables I eat. I quickly realised that it would cost more in electricity, equipment etc. than just buying it from the local grocery store. However using a greenhouse would make it a lot cheaper because of the free sun energy. But too much hassle for my liking.