Again, it depends on the brand and quantity you're purchasing, but for a ballpark, Minwax's polyurethane stain runs $16.48 a quart at Lowes. "Water-based polyurethane is typically more expensive ...

There are many good products for interior woodwork, but we like the price of Minwax One-Coat Polyurethane. It comes in quart cans and in three sheens: full-gloss, satin and semi-gloss. Milky in ...