The customer service is what makes it great. Whenever there is an issue which I've had my fair share, there is always a quick resolution or compensation that alleviates that problem.
I would say if there was a list of things ideal when it comes to a seller, ensuring that if something goes wrong that you are indeed covered is more helpful than anything else. Questions or concerns or customizations are always answered in a timely fashion. There's always discounts and deals, you're often getting a much cheaper deal than even the original manufacturers.
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