Most legacy real estate salespeople use comparable sales as a measure of value for real estate, but it can be a trap if you are a value investor. Here’s my opinion on how buyers should be valuing investment property instead. Most people would argue they know how to value a property. There’s a basic format: You look at the property you like, look at prices for comparable properties, and estimate the value from there. In some cases, you might also include expected rental returns as part of your measure.…