Robert Swinney wrote:
.... why did you try to fix that piece of crap before
exercising the warranty?

'Twere me, I would reply that at the beginning I didn't know how bad it
was going to be & a *little* fixing-up would be well worth the savings.
At subsequent problems the same reasoning would apply. (Note that
sunk-cost fallacy is not in play.)

But that's just me,
Bob