I think it's more likely to "rig" close election districts with some sort of purge of "questionable voters". Since thats already being done with the administration seeking voter rolls in several states.
The courts may get involved as well, We saw how well that worked in 2000.
Trump set the tone in 2016 when he first brought up rigged elections, pushed it even farther in 2020. We did not hear a thing about election rigging in 2024 for some reason,