If you have good soldering skill (and patience) and like building things - for ~35/40U$ you get:
64 push button
16 toggle switch (2 mode)
2 rotary encoder (2 mode)
1 POV HAT
8 analog axis
http://www.x-simulator.de/forum/mjoy...df4b78b95d844b
Or
81 push buttons
1 POV HAT
4 analog axis
http://www.xtremeracers.info/forums/...hp?f=45&t=5696
Sokol1