This is absolutely the way to see the highlights of San Diego, especially if you are on a short stay and/or don't want to rent a car!! We got tickets for 2 consecutive days and did the entire loop the first day. Then we decided which stops we wanted to see, and planned accordingly the next day. You will probably get a different tour guide each time you "hop on", so you get a little different perspective each time, which is great. Rodney was AWESOME!!