Three ways groups split trip costs, how to agree the rules before you go, and how to settle up at the end, person to person, with nobody doing the math.
Does the bride pay? What the group splits, what each guest covers herself, and how to collect the money without being the bad guy.
Per family, per person, or per bedroom — the three ways to split a rental, what each one costs, and how to handle kids, the primary suite and uneven nights.
The two lists every group trip needs — shared gear and personal gear — plus what groups reliably double up on and what they always forget.