I watched DS9 and learned a little about empathy, honor, duty, peaceful reconciliation, fitting in (Odo), friendship, etc… It seems those messages didn’t resonate with you at all.
They are excellent negotiators and traders. If you need something like an ionized plasma channel or even a prototype phase cloak, the Ferengi can find it for you.
I suppose there is room for interpretation in “homemade.” I feel like if someone did the cooking themselves, then it qualifies. Store bought or only a microwave reheat would not qualify.