Check out this video we made. We refinished a 2-1/4 Red Oak. We stained the floor Coffee Brown. The finish is 2 coats of Satin Oil-based polyurethane. One extra step we did on this floor was we wet-wiped/water popped the wood after it was completely prepped. Water popping allows stain to penetrate equally throughout floor so there are no highs and lows visible.