A thorough inventory can save a landlord time and money and prevent messy end-of-tenancy disputes. So why do so many landlords rush this essential stage – or skip it altogether? In this quick read, we look at why an inventory is important and what you need to include in it. Picture this Your tenant of the past 12 months is leaving. You go to check them out and find a massive stain on the carpet, the sofa cover has been torn and there are lots of marks on the walls. Uh oh.