There is good money in a growing market for most everybody and there is great money for the companies that want to be the best and can deliver quality. If your company is already quality minded, detail oriented and does well at custom work, then my guess is you'll do great. There is good money in a growing market for most everybody and there is great money for those companies that want to be the best and can deliver quality. These are the much larger stamps designed for faster production. Stamped concrete is usually sold by the square foot, just like other flatworks.
Unit prices vary, so check around.
If no one is stamping in your area then a rule of thumb is two or three times what quality plain concrete is. I sell large, open new work that has easy access for less money than small, tight backyard patio remodels. Steps, borders, etc. are extras. Generally, I avoid chip mixes because they have a higher water to cement ratio which result in a tendency to shrink crack more than the mixes with larger aggregates that need less water for the same slump. I like to use a superplasticizer when I use a chip mix because it gives me the convenience of more water without the problems.