All the time. I do consider taking it on anyway and learning what I need as I go, even if I put in some "unbillable" time though. I usually look into it to see

All the time. I do consider taking it on anyway and learning what I need as I go, even if I put in some "unbillable" time though. I usually look into it to see how hard I think it would be to learn what I need to. Over time, you get an intuition for how far in over your head you can go. I also remind myself that lawyers have no trouble at all billing clients for research into areas of law that they are unfamiliar with.