I would pay serious money for this. Maybe $100 for a single 'call out' on the assumption that it would be an infrequent happening. Ferriss' 4HWW logically demands this, I guess.
--Supplemental--
Before anyone accuses me of being cheap, I'd be happy to pay $100 per hour, assuming the 'call out' would most likely be short in duration since it would be part of the deal that I supply a detailed wiki of the software under support.
--Supplemental--
Before anyone accuses me of being cheap, I'd be happy to pay $100 per hour, assuming the 'call out' would most likely be short in duration since it would be part of the deal that I supply a detailed wiki of the software under support.