Apple's computers are not the cheapest in the world, but are highly desired and as a result many people purchase their Macs secondhand through auction sites like eBay and Craigslist. Unfortunately in most cases these systems are old enough that their warranties have expired, so if something goes wrong after your purchase you might need to spend more cash to have it fixed.
Under the circumstances, it is best to give any used Mac a thorough check before you decide to purchase it. (Obviously, it would be hard to do this for most online purchases.) I've covered this … Read more