Welcome! Yes, this can be great fun. It is also true that you are starting a business and may need to learn about how to best invest your time in making it grow and keeping good records. A great place to start is to go to the New Mystery Shoppers area of the forum and read, read, read the tops dozen or so topics that are "pinned" to the top of the list there.
Based in MD, near DC
Shopping from the Carolinas to New York
Have video cam; will travel
Poor customer service? Don't get mad; get video.