Yep, the things mentioned are definitely good things to consider, and is currently what I'm doing (once my lens arrives)
Here's the DigitalRev TV episode where Kai does this and compares it with a local lab
https://www.youtube.com/watch?v=AgOTk4ApEYs
I tried it with my current lenses and it seems to work well so far - once my macro lens arrives, I'll be able to really know how well it turns out.
My films are negatives so I just throw them into PP and invert the colours.