I absolutely shop more at Best Buy, Costco and other places because of this reason. Whatever I buy at these places, I know they stand behind the quality. Do I g

I absolutely shop more at Best Buy, Costco and other places because of this reason. Whatever I buy at these places, I know they stand behind the quality. Do I go to Best Buy for a $10 cable? No. But a $3000 DSLR, I would rather buy from B&H.