Received a used lens today that I bought on Ebay with a low ball best offer. It was listed as lightly used in very good condition. Well It focused fine and then faulted out the camera. I was able to get a picture or two out of it before it just faulted the camera when powered up. Seller said he will check his inventory and replace it if he has another one. If not he will work a refund so nothing lost other than some time. This was a Tamron 28-300mm f3.5- 5.6 lens. Nothing fancy but for 60 bucks was worth a try.
I have a different lens on the way for the wife for her Birthday in February that I am going to have to test. This one was pricey for me but the Canon L series lenses dont come cheap and for one of those it was cheap. I hope it is good as I would rather not have to start all over looking for.