His supporters wanted him to get rid of ACA, decrease immigration, reduce government regulation, return the US to an alpha stance in foreign policy, pull away from globalism, and focus on creating jobs, especially manufacturing jobs. Now those supporters see him making an effort to do those things, and even making real progress in some of those areas. All the Trump voters I know, and it's a lot, are happy with his policies. Most wish he wouldn't be such an ass, but they are pleased policy wise.
Now as for Palin, I can't help much there. McCain/Palin was easily the worst ticket since Mondale/Ferraro. We should all remember her this Thanksgiving:
[video]https://youtu.be/e_ybEbrQeOA[/video]