I have buddy that does just that, minus the handing out of cards.LOL
They have a boat slip within eye shot of the ramp at Stockton. He says most of the major blowups are at the end of the day when couples are buzzed, hungry, sunburned, exhausted and now somehow have to back a trailer up and get a boat on it.
Little more, little more.... NO too far pull up...... now to the right... your other right.