I lived in China for a few years back in the late 90's. Older Seagull TLR could be found for $15-20 and some took amazingly sharp photos. Unfortunately sooner rather than later their shutters would literally fall apart in my hands or springs would shoot across the room. I tried a newer one that a friend had and it was rough and he later reported the shutter failing. Just not worth it. With patience you can find Rolleicords or even some beater but working Rolleiflexes cheap. For example I have found a couple Rolleicords for $50-75 and even a Rolleiflex 3.5 E3 Xenotar for $150. Latter needed a full CLA and is ugly as heck but +$120 later from Paul Ebel and it works GREAT.