Dog Walker full-time!
The dog's safety is the number 1 priority in my book! Which includes, food, water, treats, pop bags included for walks, awareness on crossing the streets, and avoid interactions with other dogs when going on walks! (Unrushed service unless required to by the client.)
It's also important to build a a bond with the pets to gain their trust. Also not to tug on the leashes while the dogs are on their walks. There's ways ...