Another problem can be too hot an oven, leading to too fast rising — I recommend an oven thermometer to check, because most home ovens are out by at least several degrees. (pizzarossa.me)
What I've found is that they won't come out perfect because home ovens aren't perfect, and we aren't perfect, but I do have a few tricks that will ensure a batch of delicious and crispy, imperfect chips. (golubkakitchen.com)
I usually bake things in the middle of the oven, since a lot of home ovens have intense heat on the bottom. (davidlebovitz.com)