they're celebrating the fourth anniversary of dog vacay. >>> in 2011 my wife and i visited our family on the east coast, and left our dogs in a kennel here. we had a $1400 kennel bill, and rocky was traumatized. >> he and his wife started offering dog sitting services out of their home. the response was huge. eight months after posting on yelp, they watched over 100 dogs and earned $35,000 in cash. they knew they had their paws on something great. aaron developed a website and started recruiting sitters to post on the platform. >> we had a few customers, they told a few people, we launched, a few people wrote about us, and is snowballed. >> it now features dog sitters in 3,000 cities and counting across the u.s. and canada. it also offers offices like day care, dog walking, and grooming. >> i can ask my friends to watch my dog, but sometimes i feel guiltiy doing that, so it is a pretty guilty free way to ask natalie. >> one of the companies biggest thing social security knowing what you're up against. >> we're caring for your dog, for your family. it's a high bar to say leave your dog