Hey Neeto,
There isnt a less expensive way to go. Laser tattoo removal would give you the best results. Just like getting a tattoo, laser tattoo removal is the same thing. You pay for what you get.
A tattoo artist with a laser tattoo removal equipment is "trained" to use it but is not an expert in dermatology. I highly recommend going to a clinic.
My recommendation comes from my own experience and research. Definitely look into the quality of work before you regret another choice.
Hope this helps you out. If you're not in the area just make sure you read and research the best options for you!