So I got these bindings and mounted them on an older pair of tele skis. Just recently I went out and bought some bad new BD's...which I mounted the old bindings on. Now I want to switch the bindings back and forth between the skis. Is this possible? Or will it compromise the structure of the ski. Should I re-fill the holes with wood glue every time I switch the bindings?

Don't mount skis using epoxy. It will make pulling the screws out much harder when you want to put those binders on another ski. It won't make it so that you can switch bindings repeatedly. Also, using epoxy won't lessen the chances of a binding ripping out in the event of a serious fall/crash, etc. Every shop tech I've talked to says wood glue is enough. All you're trying to achieve with glue is to keep moisture from getting in the core and rotting it out. Wood glue is better for that than epoxy.

You can switch the bindings a few times, if you are very careful to not strip the threads (maybe 2-3 times before the threading is toast). I would NOT use wood glue, but rather use epoxy. Wood glue just does not hold as well and rots out with repeated water exposure. Epoxy is a pain in the ass when you need to change the binding (you must head the screw heads), but it will hold much better than wood glue.

This is NOT something i would recommend doing. if this is something you truly wanting to do i would look for mounting plates and then switch with those. all this said, i would make a choice. have one ski you want to tour on and one ski you want to ski in bounds.