A one month rental void accounts for 8.33% of your annual rental income. For many landlords this is the difference between making a profit or a loss from rental income. Talk to any property investor who’s had problems making mortgage payments and there are two main reasons; 1) no rental income or 2) no cash reserves. Rental voids must, therefore, be avoided at all costs. In this article I outline several of the effective strategies I’ve adopted since I began letting properties in 1989.