@MyPinkSquid your doing your best and its too easy to beat yourself up over things beyond your control. My DB lives 5 miles max from my DM I live 130 miles away, everything was left to me. My parents home was left cleanish after DF was sectioned but needed a deep clean and redecoration as DF cigarette smoke stunk the place out and he had refused to spend money.
We are slowly clearing the rubbish he hoarded and have so far gutted and redecorated two bedrooms now on the third, I've also sold DF car, had a clearance company in and arranged for the garage door to be replaced this year. DB has carried a small piece of wood down the stairs and chucked it on the garage floor.
I spent last year arranging the sectioning of my DF, it was a horrible experience, dealing with SS, Dr's, psychiatrists, attending meetings and then fighting to get DF into a decent care home. DB did absolutely nothing to assist me. I have MS and I am mentally and physically exhausted.
I can relate to exactly how your feeling, there is a lot of us on this thread who seem to have the work unfairly distributed. There's lot of good advice roo, just come and vent when you need too