I have my GPS unit mounted low on the dash. The support bracket is secured to a wooded block that is shaped to fit a small opening in the dash on my truck. See attached picture of the block and support unit.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 135K+miles
Depends upon what vehicle I’m in
When I drove the service van for a living it was by the a pillar on the windshield I use the same spot in the suburban
In the nitro with a close fairly flat wind shield I run it in the center
In the Subaru I haven’t found a spot I’m happy with
Mind you this is a 5 inch Garmin
Bean bag on the dash, just to the right of the instrument cluster, where there's a depression. I would use the onboard nav, but GM navs totally suck. But it's only used on long trips. For short trips I use Maps in Apple CarPlay.