Usewalter allows you to post and view ads to a virtual marketplace on the app. The feature allows you to sell or buy things with other residents in your building. This article will walk you through the process.
Open the Usewalter app on your mobile device
Click on the "magnifying glass" icon at the bottom right of your screen
Click on the "Marketplace" section
Click on the "+" at the top right of your screen
Fill in the ad information and tap submit at the top right of your screen