I have always been very reliable and I kind of fell into this when I lived in Encinitas California. I lived in a large pet community where neighbors constantly needed a house/pet sitter. I think because I was a mailman people looked at me as responsible. The more neighbors would see me with other pets the more word spread. I've been doing this now for five years. I rely on the homeowner giving me detailed instructions as I don't trust my memory. I believe this works for both parties as there is no reason for things not to go smoothly.
I'm very good at finding cheap flights so feel free to me even if i'm in a different state at the time you need me.
I'm not a money hungry person. I love doing this because i get to be in different places.