"I almost forgot, make sure to decide your route of escape beforehand. Some shop can catch fire extremely quickly and it's important to exit as soon as the flames start reaching the other aisles, otherwise you might end up trapped. Don't hesitate to leave too early even if you can't profit from the whole spectacle, if you've set the fire well enough you'll be able to see the whole building catch fire. windows are fine but try to use the normal exit as much as possible, the police is less likely to notice you if you're not the only one escaping the way you do."
