They become pundits making mid 6-figures on TV and go on the lecture circuit making 5-figures per speech. Not a bad life for someone who doesn't need to be right.. ever.
There are as many sources as there are experts on the topic... If you had bothered to even google "autocracy expert trump" you would have dozens of sources already.
1. Sarah Kendzior. PhD on the topic of autocracy (specifically Uzbekistan). Investigative journalist on the topic of corruption in the Trump administration. https://en.wikipedia.org/wiki/Sarah_Kendzior