Here is a video Bullet did of different options to get your fatbike to the trailhead. He reviews DIY options from $20 to $700 racks. Check it out.
He did forget to cover the most basic way, take off the front wheel, cram it in the trunk of your little car and tie down the trunk. Or if you’re like me you just stick in the back of the minivan; no need to take the front wheel off.