I feel the same way as you do about both typical politicians of both parties, and Trump. I decided in 2014 that I would not vote for a typical politician anymore, though at that point they were the only ones running for president. I initially supported Ted Cruz because he was the most outside of the Insiders. However when Trump entered the race I changed my mind, and I am glad and having done so.
However, I learned from the complete ineffectiveness of Jimmy Carter how a president must have some support in Congress if he is to accomplish anything of note. Trump needs to have the Republican Party behind him, because clearly the Democrats never will be. This requires that the same people who elected Trump, must get rid of the Republicans who don’t support him, and install people who are going to look out for our interests (r at least who credibly say if they will be looking at for our interests).
This is an opportunity for us to pressure the Republicans to do their job and support Trump (of course, when it is the right thing to do). I still believe that they should use common sense but I hope that they realize that this is their opportunity to shine and if they fail (along with Trump) that most people who support them now will wonder “why bother” voting for Republicans.
Like it or not, if Trump fails, they fail with him.