Foraging is a huge wind, because there's really no investment to start. There are certain kinds of gardening m that do pay off. This book is about the acquisition of skill. It takes extensive interaction with others trade and economies of scale. To make life a yield, a bounty to have a high standard of living.
What did author and Washington Post columnist Tamar Haspel learn from her quest to eat at least one thing she'd grown, caught, or killed every day? For starters, that just-caught fish always tastes better (unless you've caught a false albacore). That all it takes to build a coop is the will and the right power tools, and that when it comes to homegrown produce, you've got none until you've got way too much. But most of all, she tells EconTalk's Russ Roberts in talking about her book To Boldly Grow, she learned that figuring stuff out to solve problems is more delicious than the most decadent of desserts.