overstaying

My husband and I are both in the early 60s and we would like to wait another 2-3 years before we start drawing from our US social security. We are very seriously considering coming to Argentina as tourists and just overstaying and living in Argentina illegally. Once we start taking our...

Say you overstay 5 years then try to leave. Most likely they'll ban you from returning but what else? Can they issue you a massive fine? What if you say "no hay plata" ? Jail ?

I have read many of the 'overstay pay the fine' threads but I have never seen anyone comment on overstaying for a long period of time like a year or more. If the fine is based on overstays of less than 2 years are there really no issues if you overstay under that? If that is the case, then why...