If you are interested in different ads and you want to save them to check them later, you can mark them as "Favorites"
Follow these steps to use it:
- My account to your account
- Search for the product you are interested and click on the title of the ad
- At the right side of the add, click on "Mark as favourite" (see below)
- Now, go to Favourites. You can find this option at the top right of your window
- Find a list with all the ads you marked.