i think the point is trading for a value greater than the cost of the tix, no? like say someone is willing to trade you their brand new ferrari for tix to red rocks, you could be said to be profiting from the trade 
i think the point is trading for a value greater than the cost of the tix, no? like say someone is willing to trade you their brand new ferrari for tix to red rocks, you could be said to be profiting from the trade