Editor's Notes & Price Research
The complimentary slices will be redeemable on a future visit 1/1/2016 - 3/31/2016. Visit their Promo Page for further info. - brisar
You can use the free slices at the dessert counter so no need to dine-in.
You get 1 email per eGC/voucher so if you purchase $25 eGC, you get 3 separate emails. Cashstar implemented a "security" feature where you need to visit their link (in email) and enter your email address in order to print out the eGC/voucher to prevent "hackers" from randomly generating a valid link.
Remember that free slices are sent to the purchaser's email and not the recipient's if you used two separate email addresses. For Paypal users: the slices are sent to email on Paypal if you used Paypal.