How big does a bur oak get and how long does it live?
Seventy to eighty feet tall and about as wide, growing slowly to moderately, with typical lifespans of 200-300 years and good specimens well past 400. Cost is at the very top of the bracket: huge spread, extremely dense heavy wood, and the trunk diameters these reach usually make removal a crane job, which is the strongest practical argument for preserving one rather than taking it.
Spread below ground too
Bur oak drives a deep taproot as a seedling and keeps a deep, far-ranging root system, which is exactly where its drought and salt tolerance come from. Practically that makes it the least likely oak here to lift a drive or surface in a lawn, but also the hardest to move at any size and, once established, genuinely intolerant of having that root plate trenched, filled, or compacted.
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