I've been purchasing stuff on the internet for well over 11 years. I was in on PayPal when they were still offering $10 for new accounts. I know the alternatives.
However, I have read enough threads of people having problems with extenders that paying an extra 110% for cablesaurus's seemed like a reasonable deal. One person even purchased an extender that was soldered on backwards. Backwards! Paying $5 extra to ensure my $250 card does not let out the black genie was a no brainer.