Finally a tool that you can USE!
When you search for an item, hit the drop down in the upper right above the results, and instead of choosing "price - lowest first" choose "PRICE + S&H - LOWEST FIRST"
Doesn't do much good to get an item for 10.00 less, if you're paying 15.00 MORE for the shipping, right???
Try it and see for yourself!
Also, watch your feedback, when you are buying, there are lots of sellers who do not ship right away, or send out wrong items, that is what feedback is for! Flip through a couple pages, take your time!
E-bay should be a great experience, and save you a TON OF MONEY, not make you crazy!