A few thoughts....
100 pound gas bottle.....with a full one right next to it....just move the hose over.
No timers, clock on the wall and a more or less standard format of keeping a log.....Write down the starting time of the boil and then calculate the hop addition times and write them down. This way you can't "get lost"
Yes, not being interrupted so you can maintain concentration is critical. Brew while el Hijo sleeps?