Well lets see, from the cost of body guards, an armored vehicle w/ bullet proof glass, extra ammo and the little Mary figurine that you will need to put on your dash, (not to mention extra bribe money for the Zetas and/or the Gulf Coast cartel) I would say your toll could cost upward into the thousands.
Braver man than I gunga din..
dcg, I was trying to come up with an answer for him, but I think you nailed it!!!!!