Do I heat all around the pvc pipe at the area to be bent or heat only at the bend point?
I heated an area of about 6 to 8 inches around the bend point with the electric heater, IIRC. It probably didnt need to be that large of an area, maybe 4 inches would do fine. Only heat it so its soft, but not to the point of burning.
When making a long curved piece, do you heat the whole pipe and then bend it with your template?
Ive only done one bend at a time. Keep in mind, that plastic gets hot, heh. Gloves are a must.
I remember you used template to produce equal bends on multiple pieces but don't recall where I saw it... Would this be on the other forum?
Yep, other forum. You need to put it on a template form when hot, and then use a cold wet rag to cool it down quicker. After you make the first couple bends, it gets very easy.