Re: garage door dent
Try the heat/cold trick first and see what happens, if that doesn't work, I'd recommend using blocks and gently pounding it out. Have a helper hold a block against the outside while you use another block and a hammer on the inside. You want to place the block over the dent and hit the block with the hammer to spread the force over a larger area and prevent even more damage from happening. The block on the outside is to give you something solid to pound against, which will aid in keeping the door from further damage as well.
I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!