Tottenham are arguably the best in the world at securing maxim return on their investments and asset, and a new Premier League-wide campaign could prove lucrative for the club. Spurs chairman and co-owner Daniel Levy is known for driving a hard bargain and Spurs are one of the most efficiently run clubs around. That philosophy runs through recruitment and the commercial team, who have helped Spurs achieve annual income from sponsorship and merchandise of £228m. One market the commercial department have zeroed in on is South Korea and, more broadly, East Asia, where the club are currently on to…