Why do you need to take off the TM?
depends how secure your parking/storage area is.....don't want your $2000 TM to walk away...
The quick disconnect only allows you to quickly remove the main part of the trolling motor. If you have a foot controlled trolling motor you will have to remove the foot control and it is usually screwed to the deck.
I just use the bracket as a spacer to get the T/M higher off the deck.