As a notary signing agent, your earning potential can vary greatly depending on several factors such as location, demand, and the number of signings you complete. On average, you can expect to earn between $75 and $200 per appointment. However, with experience and a solid network, some notary signing agents can earn upwards of $15,000 per month. It's not a get-rich-quick scheme, but with hard work and dedication, a career as a notary signing agent can be financially rewarding. Remember, your income will be influenced by your commitment and the level of service you provide.