The bookmark feature allows you to save posts to a favorites list, which can be accessed via the profile picture in the web version and through the menu in the app.
Do you want to add a post or an offer to your favorites list? Use the bookmark feature for this.
You can find the button below the text in each post from your neighbors.
You can find your favorites list by clicking on your profile picture at the top in the web version.
In the apps, the favorites list is located in the menu when you tap the three lines at the bottom of the screen.