So the basic premise I get, but as a nascent founder, you haven't seen a lot, so sometimes, you may not know if this is a dime a dozen commodity or an opportuni

So the basic premise I get, but as a nascent founder, you haven't seen a lot, so sometimes, you may not know if this is a dime a dozen commodity or an opportunity. I'm wary of fooling myself into thinking most thing's an opportunity rather than a commodity. Besides getting more experience and seeing more, how does one guard against it?