"This is exactly why you might want to consider moving to weekly billing. Bill for a weeks work, as long as the deliverables come in does it matter if the week was only a few hours long?"
What you sond to be advocating is fixed-price bidding/value-added pricing; but that's not the same as the OP.
If he'd said:
"This is exactly why you might want to consider moving to billing on value. Bill based on what it's worth to them, as long as the deliverables come in does it matter if it only took a few hours?"
I'd have had no qualms.
"This is exactly why you might want to consider moving to weekly billing. Bill for a weeks work, as long as the deliverables come in does it matter if the week was only a few hours long?"
What you sond to be advocating is fixed-price bidding/value-added pricing; but that's not the same as the OP.
If he'd said: "This is exactly why you might want to consider moving to billing on value. Bill based on what it's worth to them, as long as the deliverables come in does it matter if it only took a few hours?" I'd have had no qualms.