More importantly it is SpaceX's 21st launch of the year. Making 2018 the year with the most launches ever. One of the things that contributes to this is a stock

More importantly it is SpaceX's 21st launch of the year. Making 2018 the year with the most launches ever. One of the things that contributes to this is a stock of 'previously flown' boosters that allowed for more launches without having to build more engines and boosters. As the cadence improves the financial picture for SpaceX only gets better as far as I can tell.