This "daily-deep-discounted-deal" or "social-group-buying" trend took off in Australia easily. Offers range from restaurant promotions to surfing lesson discounts. And if you find it difficult to navigate through the various sites and look for real offer that you need, there are aggregators such as AllTheDeals.com.au and Buyii.com.au.
What happens if business owners sell more coupons than they can realistically handle? ...There are reported cases where buyers had to wait for 6 months to get an appointment. Guess group-buying sites have to work with business owners to control traffic to ensure quality and, more importantly, repeat patronage.