plywood in a bathroom, no waterproofing, no before hand measuring and set in stone plans for how to correctly replace the bathtub.
Then again its an anime, but common.
Still I kinda wish this anime focuses on the small progress of casually replacing and refurbishing the home, and a bit less...
biggest thing i took from this is that manga car drivers don't have cars with brakes, they just honk and keep their speed the same even in a neighborhood area, with pedestrian right-away.
its a nitpick but i really bothers me