A transaction must be made to earn three stars. With three stars, you get access to news, films, special offers and product specifications.
If you don't make a transaction for three months, you lose one star. With two stars, you lose access to news, films, special offers and product specifications.
If you fail to complete a transaction for the next three months, you lose another star. You can still browse the SNS FOODS offer and checkout - then you will have three stars.