A dishwasher drain pump costs the same part behind a cabinet panel as it does in a rental kitchen; the hour spent getting the panel off and back on square is the difference. That cuts both ways — the range hood on this site is genuinely inexpensive to repair, and most induction call-outs turn out to be a protection and cost the visit.
Where a figure is high, it is high for a reason we can name: refrigeration sealed-system work is built-in refrigeration, and that is physics and access rather than a premium on the name.