I have certainly gone through phases in my punting life where in the first 4 years, I punted whenever I felt like it. Very rarely did I book punts in advance. In fact in my first 4 years of punting, I only booked about 3 punts in advance (two of those went ahead and one was cancelled at the last minute, leaving me completely frustrated).
Like one of the posters as mentioned, I did have that "kid in the sweet shop" mentality where I chose to embark on punts based on how good the WGs photos were, and that they did anal. This didn't serve me well in the main, as the majority of the punts were rubbish (though I did have some magnificent meets).
From my return in spring 2014 to early 2015, I became far more selective in whom I chose to meet up with for my punts, due to being more experienced and knowing what kind of service I liked. Although I was selective, I was still punting depending on my mood and when I was free from work. However that period was my best ever punting period as I had excellent punts in the main, and also as I was booking my punts on the day and when I was in the mood for it, I did not endure any the crap that a punter goes through when booking in advance. It was my happiest period of punting.
In 2014 I only booked 3 punts in advance (all went ahead). I had 13 overall.
In 2015, I did 22 punts. Of those 22 punts that went ahead, only 8 were booked in advance. However I had booked 14 punts in advance. 6 of those punts were either cancelled or the lady wasted my time and thus the punt didn't go ahead. 2015 was the year where I started to plan my punts in advance so to give me the best chance of seeing popular ladies and having a great time, and I must say it was a pretty mixed bag.