If I purchase the car I'll probably do the chain myself then, as long as the actual labor out of that $800-$900 price tag exceeds $500 (which I'm sure of). The car does have full service records, it's just what it would be needing soon that I'm trying to figure out. I definitely can't blame anyone for not changing the timing chain on their car of such low mileage, my indy said it isn't the chain that would really push him to do such work on the car but the guides which are made of brittle plastic that tends to wear out over time.

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1999 Mercedes-Benz S600, 103K miles - garage queen
1988 Mercedes-Benz 560SEL, 89K miles - daily driver
2007 Hyundai Sonata Limited, 31K - daily driver