I don't know how many of you all use them, but came across this that might save a few bucks, although I haven't tried either:
Recharge the butane
http://youtu.be/8dvQeAjv3eg
Recharge the pads
http://forums.bowsite.com/TF/bgforum...13266&forum=36
http://www.ebay.com/itm/151281518665
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