How much trouble is it to install a 3- or 4-burner cooktop in place of the 2-burner cooktop that comes with many/most Foretravels?<br/><br/>I have no clue how much trouble it may be to cut the required opening in the solid surface countertop. How do you cut a bigger opening? Jig-saw? Router? Other?<br/><br/>With a Formica top I would have no hesitation, but I have no experience with...