Adopting an animal is the best thing to do. There are so many kitties out there with no homes just waiting for you. Do a little bit of research first. Check out the adotion agency, ask questions about the kitty you will be adopting.  Was it a stray or an owner surrender. It’s always a good idea to find out what your little kitty went through before it comes home with you. This way you provide what’s necessary for kitty to better adapt to its new home. Be aware your new pet will be stressed from being moved around and may develop an Upper Respiratory Infection (URI, like a kitty flu).  Prescription medication from your vet will take care of that. Also have the vet look over vaccination records to determine if your kitty needs any other vaccinations or tests, such as a fecal exam for worms, a Feline Leukemia Test, or a FIV Test. It is best to check for these diseases before bringing your new pet in contact with any existing pets. Your new pet could be a carrier of a disease with no symptoms and could pass it to your other pet which might become infected.
Do your research, and save a life.
I have 2 adopted dogs and 4 adopted cats and we all live together as one big happy family!