Even great restaurants have empty tables sometimes, and while you might be able to snag one by calling at 5:00 on the evening you want to eat, online services like Savored and OpenTable do a fine job of searching for availability -- plus, they reward you with a discount. If you use Groupon-owned Savored, for instance, which currently lists restaurants in 10 cities and is adding more soon, you could pay 30 percent less for food (and drinks, too) if you want to dine that night at 8 p.m., and up to 40 percent if you're willing to eat at 6 p.m. (bonus: no coupons necessary).
You've heard it's not wise to go grocery shopping when you're famished -- and it turns out that advice applies to dining out, too. Aaron Allen, a restaurant consultant who has advised clients including The Cheesecake Factory and TGI Fridays, says over-ordering is a common mistake among the ravenous....
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