Tax is a complex issue that differs from one jurisdiction to another, and I am in no way an expert in any of them, but I do believe most tax authorities would require fair value exchanges.
Which means, "If the work is performed for $1 or $5000 the government doesn't get a say in that." --- it absolutely does, in the way of requiring the person getting a "$1 service" to calculate their tax as if they got $5000.
Which means, "If the work is performed for $1 or $5000 the government doesn't get a say in that." --- it absolutely does, in the way of requiring the person getting a "$1 service" to calculate their tax as if they got $5000.