The proper reply to "I have an Idea for a business" is "we all have bills to pay, and we can't extend credit to any commercial project..." You may think this s

The proper reply to "I have an Idea for a business" is "we all have bills to pay, and we can't extend credit to any commercial project..." You may think this sounds unreasonable or crass, but one will end up getting conned eventually if you accept sweat equity deals for commercial projects. Also, if someone is deprecating something you value... like your area of specialization... the premise of a "good" friendship should be reconsidered.