You will be charged for Solo Pro on a monthly or yearly basis depending on which billing period you subscribed to. 

To verify this, please follow the steps below:

1. Visit the Designer
2. Click the account menu at the top right
3. In the account menu, click [Account Settings]
4. Click [Manage Billing]
5. See you are redirected to the customer portal and see your next billing date and amount.

You can also switch your billing period [insert link to article] from monthly to yearly or vice-versa.