kudos on right thought or direction.
Yep, he needs to up his game, life is a game really, think about it , some waste their time, others make hay. = good thing,
Rat proof/moose bock their entry, put your shit in industrial a containers, but the biggest thing is block any entry to begin with. First defense.
But I feer you have learned that hard lesson, question is can it stick.?
Think like a rat..or as some on this forum does, and you should be frosty.