Run a Lund 1650 Rebel, it's got a Merc 4 HP kicker that I use for trolling.
Have a 24V Terrova with a minnow fin rudder. Run it on auto pilot all day, and the rudder keeps it on course, hardly ever have to spin the propeller.
https://unclenormsmarineproducts.com/products/minnow-fin-for-outboard-trolling-motors