Steam cleaner condensation

Hi, everyone,
Just got a vapor steam cleaner and had my first ever run with it today. It's a cannister model retailing in the $150 price range. This is a brand new technology to me. Until today, all I knew about these things came from Internet reading.
It did the job, but it has several annoying characteristics. The worst is water condensation in the hose -- or at least, that's what the manual says it is. I find that if I put it down for more than a minute or two, I have to squirt out a stream of water into the sink before it will steam properly again. I suspect it wastes a lot of its water.
Is this normal, or am I doing something wrong? And is there anything I can do to minimize this problem? I've never seen it mentioned anywhere except in the manual.
I had the impression this was one of the better models in its price range. I'm beginning to wonder if people who spend big bucks on top-of-the-line steam cleaners have a point. How high do you have to go to get a really convenient cleaner?
Thanks, Laura
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