If you follow these instructions you would be dead within minutes!
Tsla3456 is for water
Tsla3356 is for fire
You would know this if you did the advanced fire safety course for $450. It was the only thing I heard about a the basic door course.
I thought the redused price was an effort to get it taken but to not allow someone to take all and waste it at home. Olio and too good to go over simmaler setups but there is a metric to limit frivolous taking with these apps.