You should be a good dad and just fly them to odub for a week and let them train behind the 230
On a serious note, you should try and find out how they are planning on weighting the boat for the division they are riding in whether they are just leaving it stock for the younger kids or sacked out for the more advanced divisions. Riding behind the boat weighted vs unweighted is like riding behind two completely different wakes.
That's sick a guy rents out his ride on Craigslist. What does he charge and does he come on the boat?