The three burdens. Mark McIlroy 23/04/2025 The three biggest financial burdens are Rent, Interest and Tax. To enable a decent society where citizens can live well these three burdens should be light. This is written from Australia in 2025 however it is similar in other countries and periods of history. There are other issues, such as in some countries the cost of essential healthcare is very high. Also incomes need to be good.