Charter Membership has the following benefits: 

• Additional Discount Pricing not available to the general public (annual value approx. $40 / yr)
• - Bonus tokens with minimum $5 purchase of tokens (once per day)
• - Access to rent games from the used game library

All that for $20 per year.  If you spend $200 on board games per year you are certain to make it back.  Or... If you plan to purchase soft drinks 20 or more times in visits with us in the coming year, its a good value.