Having a dog around can help when you need a little assistance on your bad flare days. I have a Cocker Spaniel and he's been relatively easy to train for the regular things like sit, stay, and down. I've even gotten him to put his toys away! Wish the kids were that easy!
Training a dog can be challenging, though. Especially if you are a new owner. Sport is our first dog and there were times that it was hard to walk him because it took some time to leash train him. He may be only 25 pounds, but that weight can work against me on my bad days.
However, there are some pluses to training your own dog to perform as a service dog. The site below is a good start.
Love and friendship,