In general, natural wood is the most expensive, followed by Engineered timber, luxury vinyl planks, and laminates.
In terms of labor cost, nail down is the most expensive, followed by laminate and luxury vinyl planks.
Wood flooring adds a great touch to one property. An excellent way to shop is to visit exclusive stores that do carry flooring material. Pick/buy some samples, bring it home, place them on the floor, and see how they appeal. Upon arriving at a decision, interview at least three flooring vendors, talk to their past customers, get quotes, and decide on a contractor that you are most comfortable with.