I haven't checked, but I bet it's not half priced.
Just play the E & A strings on your regular bass and be done with it.
Here's a bass only an idiot would love.
Sandberg Introduces Their New 2-String Bass Series | Bassplayer
Short scale. Light weight. Smaller neck. I could have and would have used this a few years ago, right after my broken neck limited my playing ability. I'm still interested in one.
A bass only a shortsighted person would criticize.