Group travel with friends can work smoothly with some joint financial planning, according to Moneysense.ca.
First, agree on a budget. No one should feel bullied into shelling out exorbitantly for the others' pleasures. Then again, no one should penny-pinch too much to spoil the others' fun.
Next, decide on a cash-flow system. You may wish to pay for everything in cash, split evenly amongst everyone. Or you may want to charge big ticket items evenly across everyone's credit cards.
One idea that works well is to pool some money for the day for joint expenses like cab rides and hotel staff tips. It can even work in restaurants if you all have similar eating and drinking habits. No fiddling about with calculators is needed, and no one feels cheated.
Split not just finances, but sight-seeing. Allocate one day to each person, on which they play tour-guide for the day.
Alternatively, allot each person time to do one or more things they really want to do. Result: satisfaction for everyone.