samsclub is a member only club, with rewards every 500 spent u get 10 reward.
im based in uk so not 100% how they work ,
but to my knowledge, u need to download the app to mobile and u can purchase something with the rewards.
i beleive also option to purchase gift cards.
go through self checkout and use iphone "SamsClub" app and checkout Thats it
Thank you for your explanations, i will check and try to get the app then understand a better usefulness of it and get back to you.