1. I have done this method and it worked fine......just the standing there with it was a real pain in the ass. Should work though.

2 Temp to use for cooking is different according to....well....everyone but the 220F overnighs best for me and no burning of the thc...which DID happen when I used sickpup's recipe.

3. Never tried with vaped weed but a friend of mine did and said it worked great
We grind it down with a metal cooking strainer. I've never tried grinding out more than that so can't say if it would help more.

4. For me, higher temps but shorter cooking time did not work out as well for me as the slow cook method and in the finished product.