To me, there is a common misconception about buying a programmer used. Unless the previous owner leaves it outside in the elements, puts it through a dishwasher, or washing machine, a handheld programmer can't really be used and abused at all. I mean think about it. It is one for MAYBE 20-30 minutes at a time, maybe once or twice a week, and that's being a OCD tune swapper. LOL (Longer if you are datalogging though). The tuner is just a tool that is used for transporting files to the ECU.
There is nothing mechanical to break, nothing that you have to worry about being excessively used other than POSSIBLY the circuit board attached to the buttons.
As long as you try the tuner before you buy, then you can get what you are looking for with much less money.
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