I had a contract gig over the past two years that pretty much equalled out to 6 hours/day. I'm pretty sure I was within 10% of my full-time productivity. If I

I had a contract gig over the past two years that pretty much equalled out to 6 hours/day. I'm pretty sure I was within 10% of my full-time productivity. If I wasn't being productive, I simply went and did something else for a bit.