I've got a friend who has the space for the Ruth Stout method of growing potatoes. Gets a bumper crop every year.
I don't know about that "too much work" thing. About every three years, I get another load of compost to throw in there and till into the rest of the soil. That's about the only real work.
The rest of it is just planting, turning the timer valve on the drip irrigation hoses under the plastic, and harvesting.
The only idea I have for you is to go back to what worked in the past. Of course mine is only a small 10 x 20 bed.