More time for some foreplay with the car, it is good to see that you use nuru gel over regular body oil. It is easier to wash up after the body slides.
I don't punt in my own neighborhood so its either a drive into the CBD or through the CBD + 20 minutes to the other side of town to my regular's home.
Commute times vary significantly and I've been caught out both ways. Either I've arrived >1 hour early and will find a cafe nearby. On the rare occasion, I've arrived >20 minutes late.
I got burnt once and taught the consequence. A series of unfortunate events had me arrive at the agency exactly on booking time only to find their small carpark was full. While I managed to find an alternative park within a few minutes walk away to discover it only took coins (wtf). A nearby shop helped me break a fifty to feed the machine. When I get back on site, one of the two lifts was working and the options in front of me were to either join an inconvenient queue of English language students or the eight flights of stairs. I was horny and late...Provider was sympathetic to my tale but not enough to reduce the fee to match the time left on my booking. My fault for optimistic thinking.
Since then I arrive prematurely 9 times out of 10. With visits to the regular, I let her know I've arrived early and ask do I pick up her coffee or stick to the plan. With visits to the agency, I simply wait in the car.
Arrive on time but if you don't then it's good manners to let your SW know - an early start may even suit her better. But risk being late can cost you.
If you are ever going to be early or late--particularly if it's by a significant amount of time--you know it before the time the booking is due to start.
The earlier you message a girl about the possibility, the more likely she is to be willing to accommodate you (if she is able, without affecting subsequent bookings).