"Bugger off."
I back away very slowly.
"Ok. I'll bite."
Undercover narc cop! Lol!
My first thought would be "where is my wallet?", second thought "where did I park?"
I'd do what Hippy would do -- only faster.
I like messing with people, especially when bored and in need of cheap entertainment. So, I'd listen, and take them and their business proposal apart, piece by piece.
Don't make eye contact, back away
I would tell them to take off ! I'm done with business deals. I would think right off that it was a scam.
If it is someone I didn't know, I would laugh at them. Then I would refer them to the CFO of my marriage, my husband. Depending on his mood, he would either shoo him off, or he would toy with him for fun.Â
I have friends hat are excellent in business. I would isten to their offer along with my CFO .