If you are unsure of anything, please visit at Rinella Prosthetics & Orthotics. We provides trusted service to clients. We give best discount offers on Prosthetic Leg For Sale. If you are looking towards more basic needs of below the knee prosthesis then the cash cost could be as low as $6,000 in the Naperville, IL area. Generally created for those who walk on level surfaces and do not need to walk far.