Let's see. My annuals have averaged under $3000 over a ten year period, that's $30,000. I've had roughly $5k in unexpected maintenance, spark plugs, alternator, etc. and then say I've flown 1000 hours over that time, it's maybe $20k to the engine reserve, for a grand total of $55k. Add $36k for hangar for ten years and $20k worth of insurance, and we are up to $111,000 over ten years. Let's talk fuel, say 13gph for 1000 hours is $13,000, or say $65,000. That brings us to $176,000 all in, not including acquisition or upgrades. Value has held flat. I'd say that's well under the midpoint of your range. Not chump change, but not 400k either.... any Cirrus or Bo owners have numbers?