I had a write-up ready, then saw you went with a Toyota. Price - here is the rule of thumb. If you are happy with the price you paid, then you did well. Sure, there will always be someone who did or could do better - and some that will have done worse. If you are happy - and it sounds like you are - then you did well. Congrats on the new Toyota! A Corolla should just just shy of forever if you take decent care of it.