I was playing in a two player game recently in which both Wharf and Outpost were being used. My opponent played both these cards in one turn. We decided that the extra turn dictated by Outpost, did not count as "the start of your next turn" dictated by Wharf. As a result he played Outpost with three cards and one buy, rather than 5 cards and two buys.
My question is did we do this right? Should the extra 2 cards and 1 buy from Wharf go the the extra turn from the Outpost, or should the duration phase of Wharf follow my turn that follows his bonus Outpost play?