If it is calm and/or in Weeds, I raise it up,maybe just leave the skag in the water, if in open water and/or windy, I’ll leave it partly to fully submerged.
If it is weed, you don’t want a Weed-Brake sitting back there hold you in place or slowing you down.
Now, When I’ve made it thru some weed patches to a place to fish, I may drop it down to hold me there, keep the wind from pushing me off my spot.
Now, of course mine is a 16ft aluminum.
If I really want to move on lakes with HP Limits, I’ll drop both trolling motors in,
a 55# 12volt in rear, lock inplace for direction,
then drop in bow mount 36v, 105# to steer and get where I want to go. Moves along approx 5-6mph/the GPS