I'm in the same situation in terms of how often I get to brew. I've really enjoyed switching to AG but it's just not always feasible when life gets busy.
For myself I've gone down the path of brewing lots of different styles rather than trying to perfect a few 'house' beers.
My theory is that...
I'd really like to brew something like this:
https://craftypint.com/beer/3365/fortitude-brewing-pacer
Decent drop for a 2.8% abv pale ale.
You could always work your way through these if you're worried about the booze but you're not going to be able to replicate them at home...
I bought one of these from Tentworld:
https://www.tentworld.com.au/buy-sale/primus-stock-pot-50l-stainless-steel
Drilled a couple of holes for a tap and an element and it works okay for 23L batches.
If you BIAB then you could setup your kettle on a table, fill it with water using a hose and attach your grain bag to a block and tackle pulley system or an electric hoist (some ideas here: https://aussiehomebrewer.com/threads/biab-hoisting-or-pulley-system.45311/).
That would make it easier to...