Hi Russell, make sure you are signed in to your account. Just click the appropriate icon on the listing page, Add To Wish List, and/or Notify Me.
To view items on your wish list, click the shopping cart icon on top right of page. (20 items max can be on your wish list)
Stay safe & have a great day!

on the right hand side of the product/item page instead of add to cart it will say notify me that is what you want to get notifications. The add to wish list but will add it to your wish list but does not notify you

Hi Russell and welcome. Just go to the product and then click the Add to Wish List button if available. If the Wish List Button is not available, Buds does not anticipate getting the item back in stock. Cheers and stay safe!