Hi ! I am going to adopt a pet from the animal shelter soon. I believe I would like a dog 
That is very nice, a shelter is a good place and there are actually rescue groups that you can call like the Humane Society.
Yes, I have found some rescue groups locally, however, they charge a very hefty rehoming fee.
Animal rescue group
An animal rescue group or animal rescue organization is dedicated to pet adoption. These groups take unwanted, abandoned, abused, or stray pets and attempt to find suitable homes for them. Many rescue groups are created by and run by volunteers, who take the animals into their homes and care for them — including training, playing, handling medical issues, and solving behavior problems — until a suitable permanent home can be found.
Rescue groups exist for most pet types (reptile rescue, "rabbit rescue
outcomes for dogs and their adopted owners. Specifically, dog owners like Paris Hilton and commercial-star Gidget the Taco Bell chihuahua as well as films like Beverly Hills Chihuahua have been directly cited as blameworthy. Most dog breed societies and Kennel Clubs have similar concerns but place rather more stress on issues relating to breed standardization and quality.
There are many animal adoption alternatives that potential pet owners can consider, including animal shelters and the umbrella organization The Shelter Pet Project, animal rescue groups, online organizations such as Petfinder that directly