Doggie Day Care can be a great option for people who work outside the home, or just need a place for their energetic pup to socialize! Remember though, socialization is only good if its a positive experience -  and you don't need to know much about dogs to open a doggie day care. Victoria Stillwell wrote this excellent, comprehensive article about how to pick the right day care for your dog. 
https://positively.com/contributors/doggy-daycare-a-how-to-guide/