This issue has plagued me for years, especially back in my pizza-inhaling high school and college days!

Every time I would try to cook two frozen pizzas for me and my buddies, I would have to put them on different oven racks.  The problem with that is, the bottom one blocks all the heat, and one of the otherwise delicious pizzas comes out soggy and gross.  But no more!  I just discovered this nifty way around the frozen pizza conundrum; and I'm kind of ashamed of myself for not thinking of it sooner.  The next time I make pizza, I'm sure I'm going to look as awkwardly proud of myself as the guy in this picture.  Check it out: