this is all good info for you, even though i've never heard of the heat pad method, i'm sure it won't hurt.
remember not to get an air bubble in the 45 degree cut of your clone, that is auto death. and keep n mind for the time they are trying to sprout roots, they have to absorb water through their leaves.
keep them under a light where the heat will evaporate the water soon enough not to make them rot, and spray them down a couple times a day.
