Isn’t this exactly what Pressure Advance does?
It wasn’t that hard if you kept feeding it quarters. It took a lot of trial and error, but having infinite lives means it was eventually beatable.
Tuition is $40,000 a year. Price said about 75% of their students are on some form of financial aid.
You say that the temperature is fine when it’s not printing. Have you tried turning on the part cooling fan when it’s not printing to see if that is affecting the hotend?
Isn’t this exactly what Pressure Advance does?