It'd be good to know...
Of course, the closer you get it to done, the more the potential loss is emotional more than purely monetary.
It's not hard to find a cheap, LOUD alarm.
That's right...even now, when the car really isn't worth much, I would be devastated if someone took it. We've already put in enough work to make it valuable to me!
But I have considered removing the radio and putting it away somewhere...it's worth $150 (if it works...and it can be repaired.)