When you're asked to come back tomorrow, go away, wait for 5 or 10 minutes, and then come back. That usually works. And save your position before you enter Kluso's house. I don't know if the 1.3 patch has cured this, but when I tackled the place, there were two bodies that didn't vanish when you killed them. If that happens, don't attempt to loot them. If you do, you can't leave the house. As I say, this was before the v1.3 patch came out, and I can't remember if it's been cured.And it's easier if you get some perception early.