My vale tudo school is doing some renovations, including putting in some new mats. My instructor told me that he would be willing to sell me some of the old rubber mats that we have used until now, so that I could make a small training area in my garage. The mats are pretty standard (the kind you see in a lot of gyms) and are 1x1 meters (ie 3x3 ft), about an inch and a half thick, rubberized, and hook together. I was thinking about buying 9 or 12 of them. How much should I be willing to pay for these second hand mats? Does anyone know how much they cost new (I have heard around $35 a piece)? Any info/advice would be much appreciated. Thanks!