£1.49 for six months membership and no auto-renew seems like a great deal, there are loads of restaurants that take part in this: http://www.gourmetsociety.co.uk/restaurant_locator.php
Note: this deal require at least 500 sales.
"From Michelin-starred establishments to family favourites and big name chains, Gourmet Society membership gets you greats deals at a wide variety of participating restaurants, all in one card. All venues offer either 2 for 1 meals, 50% off food, or 25% off food AND drink.
6 months of membership is worth around £35 but with this deal you pay just £1.49 thats an incredible 96% saving."