It truly depends on your skill level there are skis that cost a few hundred dollars, for beginners. But for people who are more skill and want a new ski like the Goode Nano, it could be upwards of $1,800 (US dollars). In addition, you can also get skis that are second handed that can be much cheaper.
On Wikianswers there are 457 questions about water skiing http://wiki.answers.com/Q/FAQ/4199
There are many websites that allow you to search water skiing. Do a Google search, this should give you several options.
water skiing and many many more.
The average water heater will have about 400 pounds of water in it.
How many degrees water weights 7975 pounds
about 8.355 pounds
swimming, canoeing, water skiing and maybe more, (have people add more) :)
138 pounds!
30
1417.8 pounds
5 pounds
63,844.1 pounds.