I dont think that you can start teleporting just using rate commands..
and lag switchers dont seems to be working so well in CS:GO. I've tried some softwares and even a hardware one, same shit.
Maybe you could make something like a autoexec.cfg file? I remember in GMOD you could do this, but you would need a bypass to force sv_cheats 1 which will be a issue...
You can use my script but I'm sure that's as close as you'll get.
Choke can only be up to 20%.