>>1175592Instruction would probably run about $40-60/hour, Then add on the aircraft rental which is usually pretty cheap, like, under $10/hour.
Then there's the tow cost of about $50 to get to 3000 feet agl
Then yea there's the associated membership costs and all.
Try going here for soaring clubs nearby, since I don't specifically know where you live:
http://www.ssa.org/WhereToFlyMap.asp 