The cost to deport every illegal immigrant would be very high; however, this would take years to accomplish and would occur in phases. Your first question begs the assumption that we would be able to have all illegal immigrants together in order to ship them back to their country of origin all at one time; when in fact, this could never happen. So to answer your first question, I don't know what the cost would be as it would be solely based on assumptions and speculation. IMHO, immigration and border security should be a priority, but then, I am in favor of a government that is represented in our Constitution and not the one we currently have before us today (before you ask, I am not aligned with the Tea Party or GOP). Our government spends money on programs that aught not exist or at the very least could exist under the control of the States; so to answer your question, yes, I do believe that immigration and border security should be one of the priorities of this country. Your third question is an estimate based on the assumption that there would be a tax increase in order for this country to deport illegal immigrants. I can not answer this question, simply for the reason that we can not know if the deportation of illegal immigrants in mass numbers would increase our taxes. I will however, play along with your assumption; please answer this question for me, as I do not know the answer: What is the highest recorded Federal Income Tax adjustment on record? I am pretty sure that never in the history of this country has the Federal Income Tax had an adjustment of 30%. If our federal tax were to be adjusted I am sure it would not be of that magnitude. So ultimatly I can answer your third qustion; and that is, I would not have issue with paying it as long as it resulted in the increased security of this Country.