Use a fraction of the money to pay off the some of the settlers.
Even if they removed the settlers from Gaza (which I support), it wouldn't solve the problem being talked about -- the use of the Egyptian border to smuggle weapons into Gaza. If Israel left the border unchecked, Hamas could and would smuggle in heavy arms such as missles that it would use to attack Israel proper. The settlers are irrelevant to the question of controlling the so-called "Philadelphia Corridor" (why it has that name I have no idea).