Forty six years in the trade with twenty five years as a professional personal property appraiser. Extensive experience with all makes of construction, mining, forestry and agriculture equipment for all appraisal functions. Qualified multiple times as an expert witness in courts. Qualified for and completed multiple appraisals for Internal Revenue Service purposes. Author of the books "The Appraisal of Heavy Equipment" and "Determining the Value of Heavy Equipment." Both are available on Amazon.com.