This might sound odd, but you don’t want to write property listings that are designed to help you sell a property. 

Instead, you want to write listings that are designed to help buyers buy. 

In other words, you want to shift your focus from your need to earn a commission to the buyers’ need to live a better life. 

Once you make that psychological shift, the tone and content of your writing will change for the better, because it will shift from ‘sell, sell, sell’ to ‘help, help, help’ – which is what buyers really want.