The inclusion or exclusion of a specific valuation approach or method can often change a business’s value by more than 10%. So, regardless of whether you are a listed user of a valuation, a CPA/appraiser providing an opinion of value, or are reviewing a valuation for reasonableness, how do you know which valuation approaches and methods should be used, when they are (not) applicable, how to weight those used/applicable, and, most importantly, why?