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.
(..) Hey, Kid. Hey, Kid, how good are you? Like I been telling you... over the hill. Boy, you know, every time I see Hole-In-The-Wall, it's like seeing it for the first time. (..)1969 Butch Cassidy and the Sundance Kid
(..) He's got to invite us to stick around. He'll draw on you. You don't know how fast he is. I'm over the hill, but it can happen to you. That's just what I want to hear. Every day you get older. That's a law. (..)1969 Butch Cassidy and the Sundance Kid