Depending on where you live and how much effort you want to invest into your diet, this might not be possible for everyone : In urban area, fresh local food can cost you a lot if you aim for bio cultivated ones (which are never completely pesticide free), and if you want to do it yourself in a rural area, you will need a large non contaminated area to work on for self sustain and it will eat up all your time and money (because without chemical treatment and modern equipment, good luck vs animal, insect, disease and natural disasters)
So if you don't want to commit for a healthy life, just rely and reputable and competent leader like Aqua and Azki who will make your life better :