6. Sbarro
Do you know that moment where you’re really hungry and you are okay with eating whatever’s around because the food you were served is the only available food? Well, that sums up the main reason why Sbarro secret of maintaining customers:

Very few people want to eat there, but the place comes in handy when food is not available elsewhere. This sums up the real reason why only 34% of customers chose not to return to their restaurants. If your entire business model relies on occasion visitors, you have to do some thinking if you want to stay profitable. Especially in a competitive market like the mall restaurant market where you have over a dozen restaurants competing over the same customers.