Premium Snapchat is monetization method for popular girls / models / influencers. Usually girls charge $5 to $15 for monthly subscription. For promotion girls usually use Twitter, Instagram and Reddit.
If you are growing subscribers on your social media fast or you have already good number of followers, you can make some good money with it.
But before you start with offering premium Snapchat, make sure you have at least 1000 followers and post content daily (at least stories on Instagram). Using correct hashtags will also grow your followers base and increase your earnings.
If you are hot girls and you are posting quality content, you can earn some good money. Content is the king in this business.
You can also try platform when you can sell photos / videos and also charge for your Snapchat subscription. It’s Premium Snapchat alternative.