I'm buying a 1997 Camry 2.2L automatic tomorrow and will change the timing belt immediately. A Toyota dealer in town has a service coupon for $229.99 to change it, what's the catch? Is it a good deal?

Here's the link to the dealer special:

2000 Toyota Camry 2.2L 220k
Mobil 1 EP 10w30 & Fram Ultra