Transferring to feeders is like quitting and going to another company.
Imagine a job where they treat you with respect. Where calling out does not put knots in your stomach. Where overtime is something you want, not something you dread. The list goes on...
Ok, I am just going to say it...I love being a feeder driver!
As for training, in my neck of the woods the company sent me to a private school for two weekends in order for me to get my CDL license. The company paid for the school.
After that, I had to wait a couple of months for an opening in the feeder department. The first two weeks in feeders I was trained by a manager, one "unproductive" week (where they train you on UPS methods and equipment), and then one "productive" (where you pull live loads).
As for the pay, as cach says, it's a tick more than package, a tick above that if you pull doubles+.