There are more low-cost 3D printers than inexpensive CNC machines, so that's a given.

That said, it's pretty easy to just output an STL from OpenSCAD, open it in a 3D CAM tool (Kiri:Moto is a free option, MeshCAM (ob. discl., I work for a distributor) paid) and get toolpaths.

Folks have worked up various other approaches --- I've been using PythonSCAD to output a DXF which can then be used for making toolpaths:

https://github.com/WillAdams/gcodepreview