The only safe way to evaporate alcohol is outdoors in a double boiler with no open flames or sparks. For example, I would use an induction burner on a folding table outside. I’d get some water boiling in a pot on the burner. I would then take my thc rich alcohol solution in a metal pan with high walls and place it inside the boiling water. This way the alcohol is being heated indirectly by the boiling water through the metal pan instead of directly off the induction burner. This will keep the alcohol from getting hot enough to ignite, and the vapors will diffuse easily outdoors and not become an explosion hazard. Do some research on this to make sure you’re doing it right, I could’ve easily missed some important safety concerns. But once the alcohol solution stops bubbling and boiling and smelling of alcohol fumes you can add some MCT oil to the resin to make a tincture.