I shouldn't wonder

I shouldn't wonder

I imagine or am confident that something is the case. Often followed by an "if..." statement, which uses a negative verb. Is this senator for real, talking about people spending money on things they don't need? He probably has four houses, I shouldn't wonder. I'm no economic expert, but I shouldn't wonder if establishing a basic income for all citizens wouldn't be a huge boost to the entire economy.
See also: wonder
Farlex Dictionary of Idioms.

I ˌshouldn’t ˈwonder (if ...)

(informal) I would not be surprised to find out (that ...): It’s paid for with stolen money, I shouldn’t wonder.
See also: wonder
Farlex Partner Idioms Dictionary
See also:
  • fix on
  • fix on (someone or something)
  • cross over
  • goof
  • goofed
  • cook out
  • going to
  • fall out
  • fallout
  • Go on!
References in periodicals archive
The letters evoke a mutual, platonic love, one that was tempered by honesty ("I shouldn't wonder if you are pretty nearly through with poetry," Van Vechten writes at one point, criticizing a manuscript of Hughes' verse).
Remember Me to Harlem: The Letters of Langston Hughes and Carl Van Vechten, 1925-1964