A merry-go-round savings group is one of the simplest financial tools available to a group of neighbours: fixed weekly contributions, one member receiving the full pooled amount each week in turn, until everyone has had a turn and the cycle can begin again.
Before any group we support starts, we walk them through a few basics: agreeing the contribution amount in advance so it's genuinely manageable for every member, deciding the rotation order together rather than leaving it to chance or favouritism, and keeping a simple written record of who has received their turn.
Groups that skip this groundwork tend to run into disputes later, usually over unclear expectations rather than dishonesty. A little structure at the start saves a lot of friction later, and it's the biggest predictor of whether a group is still meeting a year on.