100% on demand. Continually improving speed and quality of work.
Expensive, but quality assistance isn't cheap.
When I'm too busy to reasonably handle everything on my todo list I love that I can buy back my time by outsourcing things to Fin. I often think about how much my free time, or the ability to do a certain activity is worth in real dollars, and Fin is essentially the exchange interface that allows me to trade money for time while still getting everything done.