18 Only Girls is typically priced at $29.95 for a 1 month period but with this deal you save 33% and pay only $19.95. Unfortunately this $10 price break is valid only on your first month of membership. To lock in your savings for the long term you need to upgrade your membership to the 5 month plan. With this type of account you gain access for 150 days for only $99.95. This rate is equivalent to paying $19.99 per month which is also a 33% discount.