Hi and welcome to AFF, while I am not aware of how to join without the join fee (aside from the odd credit card offer), I have moved your post into its own thread and also please find below a link to a thread were Admin has explained the costs of the AFF corporate scheme which will lower the costs for you.
The Frequent Flyer Concierge team takes the hard work out of finding reward seat availability. Using their expert knowledge and specialised tools, they'll help you book a great trip that maximises the value for your points.
From just $6 we'll remove all advertisements so that you can enjoy a cleaner and uninterupted viewing experience.And you'll be supporting us so that we can continue to provide this valuable resource :)