Jim - Part of the problem with that was that I had no real benchmark to use to determine if I was a "hard user" or just an average one. 
twister - I bought mine at a Kangaroo gas station and it was actually cheaper than what I saw offered through Costco online. The starter kit for me was $70. Replacement cart packs are $20.
John - I had noticed the air holes the first time I tried to pull on it, and found myself covering them up trying to hold it like I did an analog. Jim mentioned the covering one up for better suction on the trigger. I've tried that now and it does seem to help get it going.
twister - I bought mine at a Kangaroo gas station and it was actually cheaper than what I saw offered through Costco online. The starter kit for me was $70. Replacement cart packs are $20.
John - I had noticed the air holes the first time I tried to pull on it, and found myself covering them up trying to hold it like I did an analog. Jim mentioned the covering one up for better suction on the trigger. I've tried that now and it does seem to help get it going.