You have selected the eTextAlert - eBay App membership level.
There are two main features to eTextAlert. The first allows you to send yourself last minute text and email reminders for items you're watching. The second allows you to get text or email alerts for certain buyer actions such as when they ask you a question or purchase one of your items.
The price for membership is $3.95 per Month. After your initial payment, your first payment is Free.