These proposals don't amount to 'a hill of beans'. = These proposals aren't worth 'a hill of beans'. [=these proposals have no value; they are useless]
The plows came and cleared the streets, forming a 'hill' of snow on the street corner.
The organization is lobbying 'Capital Hill' to increase funding for AIDS research.
(..) butjust sing their hearts out for us. How'd you like school? All right. Thankyou, Cal. That's for Walter. What in the sam hill are you doin'-- But Atticus, he's gone and drowned his dinner in syrup... and now he's pourin' it all over. (..)1962 To Kill a Mockingbird