You're not a "serious" candidate if your price is too low. You must be missing something.
Probably the hand-holding.
Remember to add in for any company the amount the "big business" purchasing agent will want to negotiatie off of the purchasing price.
SD
Part of the problem is that getting information out of them is like pulling teeth. Hard to put together a proposal when you're mostly pulling the numbers out of your ass. My sister finally was able to talk with our contact at length today about the scope of the work involved, and it is substantially more than they had indicated to us a few weeks ago.