Estimated times for products that are on back order by the manufacturer are usually rare for us to know. You can sign up to be notified via email once the product is back in stock by clicking on the "Click Here to be Emailed When Back In Stock" link on the product page.
All Beauty Bridge orders receive 3 samples regardless of order size or total. If you placed the order through Amazon then that is why the samples were not received.
In order to be eligible for the GWP, you need to make sure that you are following the guidelines of the gift. This is usually by purchasing a specific amount of the same brand that the GWP is. Also, we have a limit of one unique GWP per customer.