Welcome to the forums....
...but that isn't a very good attitude to have going into this hobby o.O
Water changes do not hurt the cycle, but why use fish where there are numerous ways to achieve the same thing, and not harm any fish in the process? Using fish isn't any faster and can actually be slower (if Ammonia or Nitrite get too high it will stall the cycle).
I suggest you start with reading this: http://www.tropicalfishkeeping.com/f...m-cycle-38617/