Dreaming that you have made money implies that the dreamer is trying to make money recently. It also reflects that the current economic situation may be unsatisfactory and there is some pressure. But having this dream also indicates that you are about to find a way out.
Dreaming that others have made money shows that the dreamer is making up his mind, putting pressure on himself and trying to make money.
Businessmen dream of making money, which indicates that the business will eventually enter a profitable stage. Maybe the business is not satisfactory now, but it will soon make huge profits.
Sales or business people dream of making money, which indicates that they will make great achievements in their work and sales and will be valued by leaders.