How much does it cost me to buy a private cruise? i want to own it.?

Question

it should be about 72 ft. with all luxuries. does a private yacht cost more

Answer 1

Motor or sail?

This 94' beatuty (http://www.yachtcouncil.com/yacht-info.a... is about 8 mln $. So in your criteria it will be about 5-6 mln $

Answer 2

You can spend whatever you want, depending on the age and condition of the boat.  Check out sites like yachtworld.com,  put in the proper search criteria and you will find hundreds of boats in that size range.