Getting pissed at rock Auto

Your shopping at '.99 Only' and expecting 'Nordstroms' customer service? I buy stuff from there when I got time to kill, ie. they have not gone bad yet! I got 2 sets of brake pads for my truck...they were $3.80 close outs! Whole Mazda MA timing kit (2 chains, 2 guides, tensioner and both cogs...$19.88!). Yeah, shop with caution and check the part numbers offered on other web sites to see if they match. The timing kit number had a K on the end and the standard chain and tensioner didnt so they priced the $$ kit as just the chain.