It took me years to realize most of my permaculture projects were far too ambitious and that I'm not suited to ever having a market garden or plant sales business. So my focus is now on the kitchen garden and earth works to capture rainwater for growing primarily native plants, though I do hope to try a food forest experiment with seeds of natives and adapted plants.
permaculture is largely about replacing oil with people. And one tiny ad:
Sepp Holzer's 3-in-1 Permaculture documentaries (Farming, Terraces, and Aquaculture) streaming videohttps://permies.com/wiki/141614/videos/Sepp-Holzer-Permaculture-documentaries-Farming