If a product doesn't last, what does it have a reputation of doing? - disintegrate - wear out - desolved - fall apart - dissipate  The best answer is
fall apart

What is something bad not likely to be to anyone? - profitable - beneficial - valued - competent - excellent  The best answer is
beneficial

What happens to your car when you're driving to work? - get to work - stress - use gas - speeding ticket - get depreciation  The best answer is
use gas