They were accumulated over a 30 year period so 100 to 200 dollars per year. Second I don't need nearly that many, rarely have more than 15 out at any one time.(some of these stands were given to me by older members that no longer feel comfortable in them). I have an extreme belief in keeping pressure low so once I hang one for the season I don't like messing with it till after season. But if I find a hot spot I always have one ready to hang. In the famous words of Whild Bill, I just know what works for me !