Hi Robert,
Just scanning over the ad and I would suggest trying the following for the weekend and see how you get on -
Take out studio from the Ad Title along with the location - "over the street from PetCo" - This may or may not be a selling factor but for those who this isnt a massive plus point they will not click on the ad
Change the main image to the current 5th image along. The main image is the MAIN reason people will continue to look at your ad or even click through if they are viewing on thumbnail. The exterior of a building will not sell your unit as well as your interiors
Remove the 7th floor info from the post. while not looking to hide info in anyway you are also looking to get people through the door as the unit looks great and should sell itself. 7th floor could be a negative to some people that they will over look when seeing the unit.
Change "right in time for padres season" to "Available for Showings TODAY"
This is just a guideline and hopefully will give you a little more success
Also repost the ad as 9 days old
Good Luck