From the Model Mayhem FAQ:

How does the Model Mayhem subscription work?
Subscription fees are automatically renewed according to your selected subscription options, unless deactivated by you. Subscriptions to Model Mayhem are charged up-front and the subscription length is applied to the account until the next billing date.

Please be sure to thoroughly read the Membership Fees and Refund policy Model Mayhem has in place. You can read the Terms for subscriptions and fees here and about your Right to Cancel
Model Mayhem™

Disclaimer: All casting calls on our site are posted by third parties and not by us. We are not a talent agency and we do not endorse or recommend any agency, company or individual that posts a casting call on our site. We do not verify the legitimacy, accuracy or currency of any casting notice posted on our site. Please refer to Member Safety and Avoiding Scams before deciding to work with any individuals on the site. If you notice any suspicious activity, please report such activity to us immediately at [email protected]. By using this site, you agree to be bound by our Site Rules, Terms of Use, Supplemental Terms of Use, Privacy Policy and Cookie Policy.