If Donald does carry through on his promises (or his ghouls are able to enact theirs)....just a few things off the top of my head

1) many government workers will likely be fired, adding to the unemployment figures/burden
-- 1a) leading to increased strain on social programs like SNAP, MEDICAID, etc.

2) if migrants are indeed deported (or if many of those who are capable of doing so, flee the US) food prices will increase dramatically and food supplies will decrease
--2a) face it, US citizens don't want to work as produce harvesters or animal processors, so there will be fewer employees left to harvest/process

3) the tariffs on Chinese goods (or will he go crazy and slap it on all imported goods?) will, of course, drive prices up for everything consumer related
--3a) but it seems that GOP have zero self-realization when it comes to seeing the consequences of their actions as being, well, their fault

That's kind of my only hope, that he changes too many things too fast and we start having serious problems in the first year and people get snapped out of it. I just wish there was a way that didn't cause pain and suffering... but I don't think there is. It just has to fail spectacularly really quickly so he loses the popular sheen...and Americans snap out of their stupor... that anything he plans is a good idea.