Dave is back again answering some of the tough marketing questions coming from our community. Today’s questions include: -       When running top-of-funnel ads on Facebook, what audience size and ad spend is appropriate?-       What is the bidding process on Facebook?-       PLUS the Auction and Delivery Best Practices. It’s your last change to ask your toughest marketing question today for your chance to win $50,000: https://www.bidpixel.com/questions/