1 It is caused by inflammation of the joints in the rib cage.  The symptoms of costochondritis include sharp chest pain, which feels worse when coughing, sneezing or breathing heavily, and tenderness or soreness of the rib cage.
Cost to Stain a Deck. The average cost to stain a deck is between $540 and $1,050, depending on the size of your deck and what type you use. Most stains come in 1-gallon containers and provide around 200 to 300 square feet of coverage depending on the thickness of the stain.
For the purpose of this discussion we will review the costs and materials required to stain (and clean) a deck measuring roughly 20'x25' (or 500 square feet) on a DIY basis.