well generally not the ones with more flavor because they have low nutrition and so you get low yeald for the health food corporations.
walnuts are the best because they're pretty easy to grown and have rare molecules like omega 3 oils.
but we have a few others on small supply because you should never be solely reliant on 1 thing in farming.
you know there's viruses, parasites, foreign species and all kinds of things that can damage a specific plant so if an area becomes infested you should always have a backup crop ready to produce in mass to counter it.
that's why we made quite the profit from covid when the other farmers were left flailing.
often the most successful businesses are the smallest.