and yes shopping at advance is also cheap, do all your shopping fill your cart, go get a discount code apply it see what the price comes to. try more then one code, some are better then others, then buy on line, pick up local.
http://www.retailmenot.com/view/advanceautoparts.com its nice to not wait for sipping. you can order your oil change filter, coolant, gaskets, elbows, vac t's vac line, all of it on their site.