I guess it depends on how hard you push your bike, or how much you hate fixing flats. A cheap tire will get you from point A to point B, no question. High quality rubber compounds and carcass technology however aren't inexpensive. Also, cheap doesn't necessarily mean inexpensive. Our basic Marathon tire for instance (approx. $39; not cheap, not ridiculously expensive) will last the average rider 5,000+ miles with no significant degradation. It has a fairly substantial kevlar puncture protection belt and a nice all around rubber compound for the tread. Most people will go through 3 sets of cheap tires in the time it would take them to wear out a Marathon. In addition to the cost of the tire, if you take into account the time (and inherent value of that time) it takes to change these tires, not to mention the flats one will get as the tires near the end of their useful lives you'll find that cheap is not inexpensive. The better quality tires will also have a much nicer ride and feel than a cheap tire.

You could go to just about any decent brand, and they'll have a similar tire.... this isn't just about Schwalbe. This is mostly about maximizing value, and maximizing riding enjoyment.